Finding the Fourth Proportional to 178.10, 267.26 and 117.26
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Solution
The fourth proportional to 178.10, 267.26 and 117.26 is: 175.96
Step by Step Solution
- Step 1: Write the proportion equation
178.10 : 267.26 = 117.26 : x - Step 2: Convert to fraction form
178.10/267.26 = 117.26/x - Step 3: Cross multiply
178.10x = 267.26 × 117.26 - Step 4: Simplify right side
178.10x = 31,338.99 - Step 5: Solve for x
x = 31,338.99/178.10 - Step 6: Final answer
x = 175.96
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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.