Finding the Fourth Proportional to 414.08, 571.14 and 331.28
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Solution
The fourth proportional to 414.08, 571.14 and 331.28 is: 456.93
Step by Step Solution
- Step 1: Write the proportion equation
414.08 : 571.14 = 331.28 : x - Step 2: Convert to fraction form
414.08/571.14 = 331.28/x - Step 3: Cross multiply
414.08x = 571.14 × 331.28 - Step 4: Simplify right side
414.08x = 189,207.26 - Step 5: Solve for x
x = 189,207.26/414.08 - Step 6: Final answer
x = 456.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.