Finding the Fourth Proportional to 437.26, 655.62 and 177.26
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Solution
The fourth proportional to 437.26, 655.62 and 177.26 is: 265.78
Step by Step Solution
- Step 1: Write the proportion equation
437.26 : 655.62 = 177.26 : x - Step 2: Convert to fraction form
437.26/655.62 = 177.26/x - Step 3: Cross multiply
437.26x = 655.62 × 177.26 - Step 4: Simplify right side
437.26x = 116,215.20 - Step 5: Solve for x
x = 116,215.20/437.26 - Step 6: Final answer
x = 265.78
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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.