Finding the Fourth Proportional to 247.28, 370.74 and 110.26
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Solution
The fourth proportional to 247.28, 370.74 and 110.26 is: 165.31
Step by Step Solution
- Step 1: Write the proportion equation
247.28 : 370.74 = 110.26 : x - Step 2: Convert to fraction form
247.28/370.74 = 110.26/x - Step 3: Cross multiply
247.28x = 370.74 × 110.26 - Step 4: Simplify right side
247.28x = 40,877.79 - Step 5: Solve for x
x = 40,877.79/247.28 - Step 6: Final answer
x = 165.31
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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.