Finding the Third Proportional to 231.50 and 411
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Solution
The third proportional to 231.50 and 411 is: 729.68
Step by Step Solution
- Step 1: Write the proportion equation
231.50 : 411 = 411 : x - Step 2: Convert to fraction form
231.50/411 = 411/x - Step 3: Cross multiply
231.50x = 411 × 411 - Step 4: Simplify right side
231.50x = 168,921 - Step 5: Solve for x
x = 168,921/231.50 - Step 6: Final answer
x = 729.68
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These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.