Finding the Fourth Proportional to 269.09, 371.37 and 170.84
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Solution
The fourth proportional to 269.09, 371.37 and 170.84 is: 235.77
Step by Step Solution
- Step 1: Write the proportion equation
269.09 : 371.37 = 170.84 : x - Step 2: Convert to fraction form
269.09/371.37 = 170.84/x - Step 3: Cross multiply
269.09x = 371.37 × 170.84 - Step 4: Simplify right side
269.09x = 63,442.99 - Step 5: Solve for x
x = 63,442.99/269.09 - Step 6: Final answer
x = 235.77
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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.