Finding the Fourth Proportional to 178.31, 267.26 and 69.99
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Solution
The fourth proportional to 178.31, 267.26 and 69.99 is: 104.91
Step by Step Solution
- Step 1: Write the proportion equation
178.31 : 267.26 = 69.99 : x - Step 2: Convert to fraction form
178.31/267.26 = 69.99/x - Step 3: Cross multiply
178.31x = 267.26 × 69.99 - Step 4: Simplify right side
178.31x = 18,705.18 - Step 5: Solve for x
x = 18,705.18/178.31 - Step 6: Final answer
x = 104.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.