Finding the Fourth Proportional to 167, 250.59 and 81.50
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Solution
The fourth proportional to 167, 250.59 and 81.50 is: 122.29
Step by Step Solution
- Step 1: Write the proportion equation
167 : 250.59 = 81.50 : x - Step 2: Convert to fraction form
167/250.59 = 81.50/x - Step 3: Cross multiply
167x = 250.59 × 81.50 - Step 4: Simplify right side
167x = 20,423.09 - Step 5: Solve for x
x = 20,423.09/167 - Step 6: Final answer
x = 122.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.