Finding the Fourth Proportional to 252.99, 379.49 and 108.62
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Solution
The fourth proportional to 252.99, 379.49 and 108.62 is: 162.92
Step by Step Solution
- Step 1: Write the proportion equation
252.99 : 379.49 = 108.62 : x - Step 2: Convert to fraction form
252.99/379.49 = 108.62/x - Step 3: Cross multiply
252.99x = 379.49 × 108.62 - Step 4: Simplify right side
252.99x = 41,217.76 - Step 5: Solve for x
x = 41,217.76/252.99 - Step 6: Final answer
x = 162.92
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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.