Finding the Fourth Proportional to 163.92, 246.08 and 129.32
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Solution
The fourth proportional to 163.92, 246.08 and 129.32 is: 194.14
Step by Step Solution
- Step 1: Write the proportion equation
163.92 : 246.08 = 129.32 : x - Step 2: Convert to fraction form
163.92/246.08 = 129.32/x - Step 3: Cross multiply
163.92x = 246.08 × 129.32 - Step 4: Simplify right side
163.92x = 31,823.07 - Step 5: Solve for x
x = 31,823.07/163.92 - Step 6: Final answer
x = 194.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.