Finding the Fourth Proportional to 349.24, 481.92 and 201.91
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Solution
The fourth proportional to 349.24, 481.92 and 201.91 is: 278.62
Step by Step Solution
- Step 1: Write the proportion equation
349.24 : 481.92 = 201.91 : x - Step 2: Convert to fraction form
349.24/481.92 = 201.91/x - Step 3: Cross multiply
349.24x = 481.92 × 201.91 - Step 4: Simplify right side
349.24x = 97,304.47 - Step 5: Solve for x
x = 97,304.47/349.24 - Step 6: Final answer
x = 278.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.