Finding the Fourth Proportional to 267.26, 400.82 and 84.65
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Solution
The fourth proportional to 267.26, 400.82 and 84.65 is: 126.95
Step by Step Solution
- Step 1: Write the proportion equation
267.26 : 400.82 = 84.65 : x - Step 2: Convert to fraction form
267.26/400.82 = 84.65/x - Step 3: Cross multiply
267.26x = 400.82 × 84.65 - Step 4: Simplify right side
267.26x = 33,929.41 - Step 5: Solve for x
x = 33,929.41/267.26 - Step 6: Final answer
x = 126.95
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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.