Finding the Fourth Proportional to 163.26, 244.92 and 122.55
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Solution
The fourth proportional to 163.26, 244.92 and 122.55 is: 183.85
Step by Step Solution
- Step 1: Write the proportion equation
163.26 : 244.92 = 122.55 : x - Step 2: Convert to fraction form
163.26/244.92 = 122.55/x - Step 3: Cross multiply
163.26x = 244.92 × 122.55 - Step 4: Simplify right side
163.26x = 30,014.95 - Step 5: Solve for x
x = 30,014.95/163.26 - Step 6: Final answer
x = 183.85
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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.