Finding the Fourth Proportional to 252.28, 377.79 and 237.70
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Solution
The fourth proportional to 252.28, 377.79 and 237.70 is: 355.96
Step by Step Solution
- Step 1: Write the proportion equation
252.28 : 377.79 = 237.70 : x - Step 2: Convert to fraction form
252.28/377.79 = 237.70/x - Step 3: Cross multiply
252.28x = 377.79 × 237.70 - Step 4: Simplify right side
252.28x = 89,800.68 - Step 5: Solve for x
x = 89,800.68/252.28 - Step 6: Final answer
x = 355.96
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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.