Finding the Fourth Proportional to 63.11, 87.08 and 44.55
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Solution
The fourth proportional to 63.11, 87.08 and 44.55 is: 61.46
Step by Step Solution
- Step 1: Write the proportion equation
63.11 : 87.08 = 44.55 : x - Step 2: Convert to fraction form
63.11/87.08 = 44.55/x - Step 3: Cross multiply
63.11x = 87.08 × 44.55 - Step 4: Simplify right side
63.11x = 3,879.19 - Step 5: Solve for x
x = 3,879.19/63.11 - Step 6: Final answer
x = 61.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.