Finding the Fourth Proportional to 252.69, 379.02 and 113.99
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Solution
The fourth proportional to 252.69, 379.02 and 113.99 is: 170.98
Step by Step Solution
- Step 1: Write the proportion equation
252.69 : 379.02 = 113.99 : x - Step 2: Convert to fraction form
252.69/379.02 = 113.99/x - Step 3: Cross multiply
252.69x = 379.02 × 113.99 - Step 4: Simplify right side
252.69x = 43,204.49 - Step 5: Solve for x
x = 43,204.49/252.69 - Step 6: Final answer
x = 170.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.