Finding the Fourth Proportional to 163.96, 246.02 and 98.97
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Solution
The fourth proportional to 163.96, 246.02 and 98.97 is: 148.50
Step by Step Solution
- Step 1: Write the proportion equation
163.96 : 246.02 = 98.97 : x - Step 2: Convert to fraction form
163.96/246.02 = 98.97/x - Step 3: Cross multiply
163.96x = 246.02 × 98.97 - Step 4: Simplify right side
163.96x = 24,348.60 - Step 5: Solve for x
x = 24,348.60/163.96 - Step 6: Final answer
x = 148.50
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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.