Finding the Fourth Proportional to 147.33, 220.97 and 44.62
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Solution
The fourth proportional to 147.33, 220.97 and 44.62 is: 66.92
Step by Step Solution
- Step 1: Write the proportion equation
147.33 : 220.97 = 44.62 : x - Step 2: Convert to fraction form
147.33/220.97 = 44.62/x - Step 3: Cross multiply
147.33x = 220.97 × 44.62 - Step 4: Simplify right side
147.33x = 9,859.24 - Step 5: Solve for x
x = 9,859.24/147.33 - Step 6: Final answer
x = 66.92
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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.