Finding the Fourth Proportional to 252.07, 348.08 and 243.91
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Solution
The fourth proportional to 252.07, 348.08 and 243.91 is: 336.81
Step by Step Solution
- Step 1: Write the proportion equation
252.07 : 348.08 = 243.91 : x - Step 2: Convert to fraction form
252.07/348.08 = 243.91/x - Step 3: Cross multiply
252.07x = 348.08 × 243.91 - Step 4: Simplify right side
252.07x = 84,898.97 - Step 5: Solve for x
x = 84,898.97/252.07 - Step 6: Final answer
x = 336.81
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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.