Finding the Fourth Proportional to 163.08, 243.88 and 132.08
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Solution
The fourth proportional to 163.08, 243.88 and 132.08 is: 197.52
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 243.88 = 132.08 : x - Step 2: Convert to fraction form
163.08/243.88 = 132.08/x - Step 3: Cross multiply
163.08x = 243.88 × 132.08 - Step 4: Simplify right side
163.08x = 32,211.67 - Step 5: Solve for x
x = 32,211.67/163.08 - Step 6: Final answer
x = 197.52
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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.