Finding the Fourth Proportional to 437.23, 656.07 and 283.12
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Solution
The fourth proportional to 437.23, 656.07 and 283.12 is: 424.82
Step by Step Solution
- Step 1: Write the proportion equation
437.23 : 656.07 = 283.12 : x - Step 2: Convert to fraction form
437.23/656.07 = 283.12/x - Step 3: Cross multiply
437.23x = 656.07 × 283.12 - Step 4: Simplify right side
437.23x = 185,745.14 - Step 5: Solve for x
x = 185,745.14/437.23 - Step 6: Final answer
x = 424.82
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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.