Finding the Third Proportional to 238.50 and 406
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Solution
The third proportional to 238.50 and 406 is: 691.14
Step by Step Solution
- Step 1: Write the proportion equation
238.50 : 406 = 406 : x - Step 2: Convert to fraction form
238.50/406 = 406/x - Step 3: Cross multiply
238.50x = 406 × 406 - Step 4: Simplify right side
238.50x = 164,836 - Step 5: Solve for x
x = 164,836/238.50 - Step 6: Final answer
x = 691.14
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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.