Finding the Fourth Proportional to 261.52, 392.48 and 169.99
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Solution
The fourth proportional to 261.52, 392.48 and 169.99 is: 255.12
Step by Step Solution
- Step 1: Write the proportion equation
261.52 : 392.48 = 169.99 : x - Step 2: Convert to fraction form
261.52/392.48 = 169.99/x - Step 3: Cross multiply
261.52x = 392.48 × 169.99 - Step 4: Simplify right side
261.52x = 66,717.68 - Step 5: Solve for x
x = 66,717.68/261.52 - Step 6: Final answer
x = 255.12
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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.