Finding the Fourth Proportional to 146.92, 220.08 and 98.08
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Solution
The fourth proportional to 146.92, 220.08 and 98.08 is: 146.92
Step by Step Solution
- Step 1: Write the proportion equation
146.92 : 220.08 = 98.08 : x - Step 2: Convert to fraction form
146.92/220.08 = 98.08/x - Step 3: Cross multiply
146.92x = 220.08 × 98.08 - Step 4: Simplify right side
146.92x = 21,585.45 - Step 5: Solve for x
x = 21,585.45/146.92 - Step 6: Final answer
x = 146.92
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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.