Finding the Fourth Proportional to 178.85, 267.99 and 101.75
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Solution
The fourth proportional to 178.85, 267.99 and 101.75 is: 152.46
Step by Step Solution
- Step 1: Write the proportion equation
178.85 : 267.99 = 101.75 : x - Step 2: Convert to fraction form
178.85/267.99 = 101.75/x - Step 3: Cross multiply
178.85x = 267.99 × 101.75 - Step 4: Simplify right side
178.85x = 27,267.98 - Step 5: Solve for x
x = 27,267.98/178.85 - Step 6: Final answer
x = 152.46
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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.