Finding the Fourth Proportional to 239.29, 358.67 and 102.26
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Solution
The fourth proportional to 239.29, 358.67 and 102.26 is: 153.28
Step by Step Solution
- Step 1: Write the proportion equation
239.29 : 358.67 = 102.26 : x - Step 2: Convert to fraction form
239.29/358.67 = 102.26/x - Step 3: Cross multiply
239.29x = 358.67 × 102.26 - Step 4: Simplify right side
239.29x = 36,678.75 - Step 5: Solve for x
x = 36,678.75/239.29 - Step 6: Final answer
x = 153.28
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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.