Finding the Fourth Proportional to 267.91, 402.69 and 177.19
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Solution
The fourth proportional to 267.91, 402.69 and 177.19 is: 266.33
Step by Step Solution
- Step 1: Write the proportion equation
267.91 : 402.69 = 177.19 : x - Step 2: Convert to fraction form
267.91/402.69 = 177.19/x - Step 3: Cross multiply
267.91x = 402.69 × 177.19 - Step 4: Simplify right side
267.91x = 71,352.30 - Step 5: Solve for x
x = 71,352.30/267.91 - Step 6: Final answer
x = 266.33
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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.