Finding the Fourth Proportional to 177.87, 267.08 and 147.63
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Solution
The fourth proportional to 177.87, 267.08 and 147.63 is: 221.67
Step by Step Solution
- Step 1: Write the proportion equation
177.87 : 267.08 = 147.63 : x - Step 2: Convert to fraction form
177.87/267.08 = 147.63/x - Step 3: Cross multiply
177.87x = 267.08 × 147.63 - Step 4: Simplify right side
177.87x = 39,428.28 - Step 5: Solve for x
x = 39,428.28/177.87 - Step 6: Final answer
x = 221.67
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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.