Finding the Fourth Proportional to 239.24, 358.68 and 161.99
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Solution
The fourth proportional to 239.24, 358.68 and 161.99 is: 242.86
Step by Step Solution
- Step 1: Write the proportion equation
239.24 : 358.68 = 161.99 : x - Step 2: Convert to fraction form
239.24/358.68 = 161.99/x - Step 3: Cross multiply
239.24x = 358.68 × 161.99 - Step 4: Simplify right side
239.24x = 58,100.78 - Step 5: Solve for x
x = 58,100.78/239.24 - Step 6: Final answer
x = 242.86
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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.