Finding the Fourth Proportional to 108.92, 163.36 and 40.44
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Solution
The fourth proportional to 108.92, 163.36 and 40.44 is: 60.65
Step by Step Solution
- Step 1: Write the proportion equation
108.92 : 163.36 = 40.44 : x - Step 2: Convert to fraction form
108.92/163.36 = 40.44/x - Step 3: Cross multiply
108.92x = 163.36 × 40.44 - Step 4: Simplify right side
108.92x = 6,606.28 - Step 5: Solve for x
x = 6,606.28/108.92 - Step 6: Final answer
x = 60.65
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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.