Finding the Fourth Proportional to 247.74, 371.64 and 110.88
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Solution
The fourth proportional to 247.74, 371.64 and 110.88 is: 166.33
Step by Step Solution
- Step 1: Write the proportion equation
247.74 : 371.64 = 110.88 : x - Step 2: Convert to fraction form
247.74/371.64 = 110.88/x - Step 3: Cross multiply
247.74x = 371.64 × 110.88 - Step 4: Simplify right side
247.74x = 41,207.44 - Step 5: Solve for x
x = 41,207.44/247.74 - Step 6: Final answer
x = 166.33
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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.