Finding the Fourth Proportional to 252.91, 379.40 and 115.99
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Solution
The fourth proportional to 252.91, 379.40 and 115.99 is: 174.00
Step by Step Solution
- Step 1: Write the proportion equation
252.91 : 379.40 = 115.99 : x - Step 2: Convert to fraction form
252.91/379.40 = 115.99/x - Step 3: Cross multiply
252.91x = 379.40 × 115.99 - Step 4: Simplify right side
252.91x = 44,006.61 - Step 5: Solve for x
x = 44,006.61/252.91 - Step 6: Final answer
x = 174.00
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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.