Finding the Fourth Proportional to 267.19, 400.35 and 170.80
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Solution
The fourth proportional to 267.19, 400.35 and 170.80 is: 255.92
Step by Step Solution
- Step 1: Write the proportion equation
267.19 : 400.35 = 170.80 : x - Step 2: Convert to fraction form
267.19/400.35 = 170.80/x - Step 3: Cross multiply
267.19x = 400.35 × 170.80 - Step 4: Simplify right side
267.19x = 68,379.78 - Step 5: Solve for x
x = 68,379.78/267.19 - Step 6: Final answer
x = 255.92
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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.