Proportions
Chapter 5 Lesson 2
Proportion
An equation that states that two ratios are equal. If two quantities form a proportion they are said to be proportional.
To determine if a set of numbers are proportional:
- Use cross products - multiply diagonally across and see if your numbers are equal
- See if they form equivalent ratios - put both ratios in simplest form
Methods of Determining if Proportions are True 5.3