Finding the Fourth Proportional to 195.28, 269.48 and 106.75
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Solution
The fourth proportional to 195.28, 269.48 and 106.75 is: 147.31
Step by Step Solution
- Step 1: Write the proportion equation
195.28 : 269.48 = 106.75 : x - Step 2: Convert to fraction form
195.28/269.48 = 106.75/x - Step 3: Cross multiply
195.28x = 269.48 × 106.75 - Step 4: Simplify right side
195.28x = 28,766.99 - Step 5: Solve for x
x = 28,766.99/195.28 - Step 6: Final answer
x = 147.31
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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.