Finding the Fourth Proportional to 269.26, 371.43 and 170.99
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Solution
The fourth proportional to 269.26, 371.43 and 170.99 is: 235.88
Step by Step Solution
- Step 1: Write the proportion equation
269.26 : 371.43 = 170.99 : x - Step 2: Convert to fraction form
269.26/371.43 = 170.99/x - Step 3: Cross multiply
269.26x = 371.43 × 170.99 - Step 4: Simplify right side
269.26x = 63,511.74 - Step 5: Solve for x
x = 63,511.74/269.26 - Step 6: Final answer
x = 235.88
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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.