Finding the Fourth Proportional to 267.10, 369.11 and 201.49
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Solution
The fourth proportional to 267.10, 369.11 and 201.49 is: 278.44
Step by Step Solution
- Step 1: Write the proportion equation
267.10 : 369.11 = 201.49 : x - Step 2: Convert to fraction form
267.10/369.11 = 201.49/x - Step 3: Cross multiply
267.10x = 369.11 × 201.49 - Step 4: Simplify right side
267.10x = 74,371.97 - Step 5: Solve for x
x = 74,371.97/267.10 - Step 6: Final answer
x = 278.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.