Finding the Fourth Proportional to 240.26, 331.02 and 174.65
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Solution
The fourth proportional to 240.26, 331.02 and 174.65 is: 240.62
Step by Step Solution
- Step 1: Write the proportion equation
240.26 : 331.02 = 174.65 : x - Step 2: Convert to fraction form
240.26/331.02 = 174.65/x - Step 3: Cross multiply
240.26x = 331.02 × 174.65 - Step 4: Simplify right side
240.26x = 57,810.99 - Step 5: Solve for x
x = 57,810.99/240.26 - Step 6: Final answer
x = 240.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.