Finding the Fourth Proportional to 306.92, 460.08 and 169.84
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Solution
The fourth proportional to 306.92, 460.08 and 169.84 is: 254.59
Step by Step Solution
- Step 1: Write the proportion equation
306.92 : 460.08 = 169.84 : x - Step 2: Convert to fraction form
306.92/460.08 = 169.84/x - Step 3: Cross multiply
306.92x = 460.08 × 169.84 - Step 4: Simplify right side
306.92x = 78,139.99 - Step 5: Solve for x
x = 78,139.99/306.92 - Step 6: Final answer
x = 254.59
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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.