Finding the Fourth Proportional to 267.08, 400.74 and 169.70
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Solution
The fourth proportional to 267.08, 400.74 and 169.70 is: 254.62
Step by Step Solution
- Step 1: Write the proportion equation
267.08 : 400.74 = 169.70 : x - Step 2: Convert to fraction form
267.08/400.74 = 169.70/x - Step 3: Cross multiply
267.08x = 400.74 × 169.70 - Step 4: Simplify right side
267.08x = 68,003.57 - Step 5: Solve for x
x = 68,003.57/267.08 - Step 6: Final answer
x = 254.62
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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.