Finding the Fourth Proportional to 274.70, 378.97 and 181.49
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Solution
The fourth proportional to 274.70, 378.97 and 181.49 is: 250.38
Step by Step Solution
- Step 1: Write the proportion equation
274.70 : 378.97 = 181.49 : x - Step 2: Convert to fraction form
274.70/378.97 = 181.49/x - Step 3: Cross multiply
274.70x = 378.97 × 181.49 - Step 4: Simplify right side
274.70x = 68,779.27 - Step 5: Solve for x
x = 68,779.27/274.70 - Step 6: Final answer
x = 250.38
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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.