Finding the Fourth Proportional to 252.79, 378.41 and 179.75
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Solution
The fourth proportional to 252.79, 378.41 and 179.75 is: 269.08
Step by Step Solution
- Step 1: Write the proportion equation
252.79 : 378.41 = 179.75 : x - Step 2: Convert to fraction form
252.79/378.41 = 179.75/x - Step 3: Cross multiply
252.79x = 378.41 × 179.75 - Step 4: Simplify right side
252.79x = 68,019.24 - Step 5: Solve for x
x = 68,019.24/252.79 - Step 6: Final answer
x = 269.08
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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.