Finding the Fourth Proportional to 239.28, 358.97 and 102.33
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Solution
The fourth proportional to 239.28, 358.97 and 102.33 is: 153.52
Step by Step Solution
- Step 1: Write the proportion equation
239.28 : 358.97 = 102.33 : x - Step 2: Convert to fraction form
239.28/358.97 = 102.33/x - Step 3: Cross multiply
239.28x = 358.97 × 102.33 - Step 4: Simplify right side
239.28x = 36,733.40 - Step 5: Solve for x
x = 36,733.40/239.28 - Step 6: Final answer
x = 153.52
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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.