Finding the Fourth Proportional to 269.18, 371.36 and 170.91
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Solution
The fourth proportional to 269.18, 371.36 and 170.91 is: 235.79
Step by Step Solution
- Step 1: Write the proportion equation
269.18 : 371.36 = 170.91 : x - Step 2: Convert to fraction form
269.18/371.36 = 170.91/x - Step 3: Cross multiply
269.18x = 371.36 × 170.91 - Step 4: Simplify right side
269.18x = 63,468.28 - Step 5: Solve for x
x = 63,468.28/269.18 - Step 6: Final answer
x = 235.79
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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.