Finding the Fourth Proportional to 437.14, 655.62 and 163.18
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Solution
The fourth proportional to 437.14, 655.62 and 163.18 is: 244.74
Step by Step Solution
- Step 1: Write the proportion equation
437.14 : 655.62 = 163.18 : x - Step 2: Convert to fraction form
437.14/655.62 = 163.18/x - Step 3: Cross multiply
437.14x = 655.62 × 163.18 - Step 4: Simplify right side
437.14x = 106,984.07 - Step 5: Solve for x
x = 106,984.07/437.14 - Step 6: Final answer
x = 244.74
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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.