Finding the Fourth Proportional to 178.24, 267.36 and 69.97
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Solution
The fourth proportional to 178.24, 267.36 and 69.97 is: 104.96
Step by Step Solution
- Step 1: Write the proportion equation
178.24 : 267.36 = 69.97 : x - Step 2: Convert to fraction form
178.24/267.36 = 69.97/x - Step 3: Cross multiply
178.24x = 267.36 × 69.97 - Step 4: Simplify right side
178.24x = 18,707.18 - Step 5: Solve for x
x = 18,707.18/178.24 - Step 6: Final answer
x = 104.96
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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.