Finding the Fourth Proportional to 239.24, 358.88 and 68.24
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Solution
The fourth proportional to 239.24, 358.88 and 68.24 is: 102.37
Step by Step Solution
- Step 1: Write the proportion equation
239.24 : 358.88 = 68.24 : x - Step 2: Convert to fraction form
239.24/358.88 = 68.24/x - Step 3: Cross multiply
239.24x = 358.88 × 68.24 - Step 4: Simplify right side
239.24x = 24,489.97 - Step 5: Solve for x
x = 24,489.97/239.24 - Step 6: Final answer
x = 102.37
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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.