Finding the Fourth Proportional to 267.24, 400.70 and 84.58
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Solution
The fourth proportional to 267.24, 400.70 and 84.58 is: 126.82
Step by Step Solution
- Step 1: Write the proportion equation
267.24 : 400.70 = 84.58 : x - Step 2: Convert to fraction form
267.24/400.70 = 84.58/x - Step 3: Cross multiply
267.24x = 400.70 × 84.58 - Step 4: Simplify right side
267.24x = 33,891.21 - Step 5: Solve for x
x = 33,891.21/267.24 - Step 6: Final answer
x = 126.82
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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.