Finding the Fourth Proportional to 163.85, 225.97 and 132.75
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Solution
The fourth proportional to 163.85, 225.97 and 132.75 is: 183.08
Step by Step Solution
- Step 1: Write the proportion equation
163.85 : 225.97 = 132.75 : x - Step 2: Convert to fraction form
163.85/225.97 = 132.75/x - Step 3: Cross multiply
163.85x = 225.97 × 132.75 - Step 4: Simplify right side
163.85x = 29,997.19 - Step 5: Solve for x
x = 29,997.19/163.85 - Step 6: Final answer
x = 183.08
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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.