Finding the Fourth Proportional to 178.18, 267.11 and 69.95
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Solution
The fourth proportional to 178.18, 267.11 and 69.95 is: 104.86
Step by Step Solution
- Step 1: Write the proportion equation
178.18 : 267.11 = 69.95 : x - Step 2: Convert to fraction form
178.18/267.11 = 69.95/x - Step 3: Cross multiply
178.18x = 267.11 × 69.95 - Step 4: Simplify right side
178.18x = 18,683.18 - Step 5: Solve for x
x = 18,683.18/178.18 - Step 6: Final answer
x = 104.86
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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.