Finding the Fourth Proportional to 163.50, 244.16 and 132.99
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Solution
The fourth proportional to 163.50, 244.16 and 132.99 is: 198.59
Step by Step Solution
- Step 1: Write the proportion equation
163.50 : 244.16 = 132.99 : x - Step 2: Convert to fraction form
163.50/244.16 = 132.99/x - Step 3: Cross multiply
163.50x = 244.16 × 132.99 - Step 4: Simplify right side
163.50x = 32,470.17 - Step 5: Solve for x
x = 32,470.17/163.50 - Step 6: Final answer
x = 198.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.