Ratio and Proportion

Ratio and Proportion

1. Introduction to Ratio

   • Concept of Ratio
     • Definition, Symbol, Terms, properties of ratio, same unit comparison

2. Compute and Convert Ratio

   • Computing Ratio
     • Express and Interpret ratio for the given quantities. Compare ratios.
   • Conversion of Ratio
     • Convert fractions to ratios, Ratios to fractions
   • Composition of Ratios
     • Duplicate, Triplicate, Sub - duplicate, Sub - triplicate, Reciprocal and Compounded ratios

3. Introduction to Proportion

   • Concept of Proportion
     • Definition, Symbol, Extreme, Mean terms, Constant of proportion, Proportionality

4. Proportion and its Properties

   • Continued Proportion
     • Mean proportion, Third proportion, First proportion
   • Properties of Proportion
     • Invertendo, Alternendo, Componendo, Dividendo and its combination