Finding the Fourth Proportional to 274.26, 378.24 and 232.44
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Solution
The fourth proportional to 274.26, 378.24 and 232.44 is: 320.56
Step by Step Solution
- Step 1: Write the proportion equation
274.26 : 378.24 = 232.44 : x - Step 2: Convert to fraction form
274.26/378.24 = 232.44/x - Step 3: Cross multiply
274.26x = 378.24 × 232.44 - Step 4: Simplify right side
274.26x = 87,918.11 - Step 5: Solve for x
x = 87,918.11/274.26 - Step 6: Final answer
x = 320.56
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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.