Finding the Fourth Proportional to 252.92, 348.99 and 147.99
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Solution
The fourth proportional to 252.92, 348.99 and 147.99 is: 204.20
Step by Step Solution
- Step 1: Write the proportion equation
252.92 : 348.99 = 147.99 : x - Step 2: Convert to fraction form
252.92/348.99 = 147.99/x - Step 3: Cross multiply
252.92x = 348.99 × 147.99 - Step 4: Simplify right side
252.92x = 51,646.29 - Step 5: Solve for x
x = 51,646.29/252.92 - Step 6: Final answer
x = 204.20
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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.