Finding the Fourth Proportional to 267.13, 400.70 and 122.95
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Solution
The fourth proportional to 267.13, 400.70 and 122.95 is: 184.43
Step by Step Solution
- Step 1: Write the proportion equation
267.13 : 400.70 = 122.95 : x - Step 2: Convert to fraction form
267.13/400.70 = 122.95/x - Step 3: Cross multiply
267.13x = 400.70 × 122.95 - Step 4: Simplify right side
267.13x = 49,266.07 - Step 5: Solve for x
x = 49,266.07/267.13 - Step 6: Final answer
x = 184.43
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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.