Finding the Fourth Proportional to 178.95, 267.69 and 132.99
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Solution
The fourth proportional to 178.95, 267.69 and 132.99 is: 198.94
Step by Step Solution
- Step 1: Write the proportion equation
178.95 : 267.69 = 132.99 : x - Step 2: Convert to fraction form
178.95/267.69 = 132.99/x - Step 3: Cross multiply
178.95x = 267.69 × 132.99 - Step 4: Simplify right side
178.95x = 35,600.09 - Step 5: Solve for x
x = 35,600.09/178.95 - Step 6: Final answer
x = 198.94
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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.