Finding the Fourth Proportional to 437.14, 655.08 and 254.08
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Solution
The fourth proportional to 437.14, 655.08 and 254.08 is: 380.75
Step by Step Solution
- Step 1: Write the proportion equation
437.14 : 655.08 = 254.08 : x - Step 2: Convert to fraction form
437.14/655.08 = 254.08/x - Step 3: Cross multiply
437.14x = 655.08 × 254.08 - Step 4: Simplify right side
437.14x = 166,442.73 - Step 5: Solve for x
x = 166,442.73/437.14 - Step 6: Final answer
x = 380.75
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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.