Finding the Fourth Proportional to 252.06, 378.15 and 97.99
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Solution
The fourth proportional to 252.06, 378.15 and 97.99 is: 147.01
Step by Step Solution
- Step 1: Write the proportion equation
252.06 : 378.15 = 97.99 : x - Step 2: Convert to fraction form
252.06/378.15 = 97.99/x - Step 3: Cross multiply
252.06x = 378.15 × 97.99 - Step 4: Simplify right side
252.06x = 37,054.92 - Step 5: Solve for x
x = 37,054.92/252.06 - Step 6: Final answer
x = 147.01
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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.