Finding the Fourth Proportional to 267.33, 400.96 and 84.62
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Solution
The fourth proportional to 267.33, 400.96 and 84.62 is: 126.92
Step by Step Solution
- Step 1: Write the proportion equation
267.33 : 400.96 = 84.62 : x - Step 2: Convert to fraction form
267.33/400.96 = 84.62/x - Step 3: Cross multiply
267.33x = 400.96 × 84.62 - Step 4: Simplify right side
267.33x = 33,929.24 - Step 5: Solve for x
x = 33,929.24/267.33 - Step 6: Final answer
x = 126.92
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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.