Finding the Fourth Proportional to 353.99, 531.02 and 134.62
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Solution
The fourth proportional to 353.99, 531.02 and 134.62 is: 201.94
Step by Step Solution
- Step 1: Write the proportion equation
353.99 : 531.02 = 134.62 : x - Step 2: Convert to fraction form
353.99/531.02 = 134.62/x - Step 3: Cross multiply
353.99x = 531.02 × 134.62 - Step 4: Simplify right side
353.99x = 71,485.91 - Step 5: Solve for x
x = 71,485.91/353.99 - Step 6: Final answer
x = 201.94
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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.