Finding the Fourth Proportional to 146.28, 202.10 and 122.97
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Solution
The fourth proportional to 146.28, 202.10 and 122.97 is: 169.89
Step by Step Solution
- Step 1: Write the proportion equation
146.28 : 202.10 = 122.97 : x - Step 2: Convert to fraction form
146.28/202.10 = 122.97/x - Step 3: Cross multiply
146.28x = 202.10 × 122.97 - Step 4: Simplify right side
146.28x = 24,852.24 - Step 5: Solve for x
x = 24,852.24/146.28 - Step 6: Final answer
x = 169.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.