Finding the Fourth Proportional to 250.26, 375.39 and 87.99
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Solution
The fourth proportional to 250.26, 375.39 and 87.99 is: 131.99
Step by Step Solution
- Step 1: Write the proportion equation
250.26 : 375.39 = 87.99 : x - Step 2: Convert to fraction form
250.26/375.39 = 87.99/x - Step 3: Cross multiply
250.26x = 375.39 × 87.99 - Step 4: Simplify right side
250.26x = 33,030.57 - Step 5: Solve for x
x = 33,030.57/250.26 - Step 6: Final answer
x = 131.99
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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.