Finding the Fourth Proportional to 249.08, 343.67 and 170.45
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Solution
The fourth proportional to 249.08, 343.67 and 170.45 is: 235.17
Step by Step Solution
- Step 1: Write the proportion equation
249.08 : 343.67 = 170.45 : x - Step 2: Convert to fraction form
249.08/343.67 = 170.45/x - Step 3: Cross multiply
249.08x = 343.67 × 170.45 - Step 4: Simplify right side
249.08x = 58,575.98 - Step 5: Solve for x
x = 58,575.98/249.08 - Step 6: Final answer
x = 235.17
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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.