Finding the Fourth Proportional to 270.11, 372.99 and 170.71
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Solution
The fourth proportional to 270.11, 372.99 and 170.71 is: 235.73
Step by Step Solution
- Step 1: Write the proportion equation
270.11 : 372.99 = 170.71 : x - Step 2: Convert to fraction form
270.11/372.99 = 170.71/x - Step 3: Cross multiply
270.11x = 372.99 × 170.71 - Step 4: Simplify right side
270.11x = 63,673.12 - Step 5: Solve for x
x = 63,673.12/270.11 - Step 6: Final answer
x = 235.73
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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.