Finding the Fourth Proportional to 437.30, 655.91 and 163.26
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Solution
The fourth proportional to 437.30, 655.91 and 163.26 is: 244.88
Step by Step Solution
- Step 1: Write the proportion equation
437.30 : 655.91 = 163.26 : x - Step 2: Convert to fraction form
437.30/655.91 = 163.26/x - Step 3: Cross multiply
437.30x = 655.91 × 163.26 - Step 4: Simplify right side
437.30x = 107,083.05 - Step 5: Solve for x
x = 107,083.05/437.30 - Step 6: Final answer
x = 244.88
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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.