Finding the Fourth Proportional to 591.62, 886.14 and 487.74
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Solution
The fourth proportional to 591.62, 886.14 and 487.74 is: 730.55
Step by Step Solution
- Step 1: Write the proportion equation
591.62 : 886.14 = 487.74 : x - Step 2: Convert to fraction form
591.62/886.14 = 487.74/x - Step 3: Cross multiply
591.62x = 886.14 × 487.74 - Step 4: Simplify right side
591.62x = 432,208.13 - Step 5: Solve for x
x = 432,208.13/591.62 - Step 6: Final answer
x = 730.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.