Finding the Fourth Proportional to 249.26, 344.12 and 193.88
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Solution
The fourth proportional to 249.26, 344.12 and 193.88 is: 267.66
Step by Step Solution
- Step 1: Write the proportion equation
249.26 : 344.12 = 193.88 : x - Step 2: Convert to fraction form
249.26/344.12 = 193.88/x - Step 3: Cross multiply
249.26x = 344.12 × 193.88 - Step 4: Simplify right side
249.26x = 66,717.99 - Step 5: Solve for x
x = 66,717.99/249.26 - Step 6: Final answer
x = 267.66
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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.