Finding the Fourth Proportional to 252.88, 379.04 and 201.28
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Solution
The fourth proportional to 252.88, 379.04 and 201.28 is: 301.70
Step by Step Solution
- Step 1: Write the proportion equation
252.88 : 379.04 = 201.28 : x - Step 2: Convert to fraction form
252.88/379.04 = 201.28/x - Step 3: Cross multiply
252.88x = 379.04 × 201.28 - Step 4: Simplify right side
252.88x = 76,293.17 - Step 5: Solve for x
x = 76,293.17/252.88 - Step 6: Final answer
x = 301.70
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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.