Finding the Fourth Proportional to 269.08, 371.26 and 170.80
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Solution
The fourth proportional to 269.08, 371.26 and 170.80 is: 235.66
Step by Step Solution
- Step 1: Write the proportion equation
269.08 : 371.26 = 170.80 : x - Step 2: Convert to fraction form
269.08/371.26 = 170.80/x - Step 3: Cross multiply
269.08x = 371.26 × 170.80 - Step 4: Simplify right side
269.08x = 63,411.21 - Step 5: Solve for x
x = 63,411.21/269.08 - Step 6: Final answer
x = 235.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.