Finding the Fourth Proportional to 437.24, 655.44 and 163.12
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Solution
The fourth proportional to 437.24, 655.44 and 163.12 is: 244.52
Step by Step Solution
- Step 1: Write the proportion equation
437.24 : 655.44 = 163.12 : x - Step 2: Convert to fraction form
437.24/655.44 = 163.12/x - Step 3: Cross multiply
437.24x = 655.44 × 163.12 - Step 4: Simplify right side
437.24x = 106,915.37 - Step 5: Solve for x
x = 106,915.37/437.24 - Step 6: Final answer
x = 244.52
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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.