Finding the Fourth Proportional to 108.92, 163.26 and 44.80
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Solution
The fourth proportional to 108.92, 163.26 and 44.80 is: 67.15
Step by Step Solution
- Step 1: Write the proportion equation
108.92 : 163.26 = 44.80 : x - Step 2: Convert to fraction form
108.92/163.26 = 44.80/x - Step 3: Cross multiply
108.92x = 163.26 × 44.80 - Step 4: Simplify right side
108.92x = 7,314.05 - Step 5: Solve for x
x = 7,314.05/108.92 - Step 6: Final answer
x = 67.15
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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.