Finding the Fourth Proportional to 239.97, 359.88 and 93.68
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Solution
The fourth proportional to 239.97, 359.88 and 93.68 is: 140.50
Step by Step Solution
- Step 1: Write the proportion equation
239.97 : 359.88 = 93.68 : x - Step 2: Convert to fraction form
239.97/359.88 = 93.68/x - Step 3: Cross multiply
239.97x = 359.88 × 93.68 - Step 4: Simplify right side
239.97x = 33,715.05 - Step 5: Solve for x
x = 33,715.05/239.97 - Step 6: Final answer
x = 140.50
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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.