Finding the Fourth Proportional to 170.28, 234.87 and 114.99
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Solution
The fourth proportional to 170.28, 234.87 and 114.99 is: 158.61
Step by Step Solution
- Step 1: Write the proportion equation
170.28 : 234.87 = 114.99 : x - Step 2: Convert to fraction form
170.28/234.87 = 114.99/x - Step 3: Cross multiply
170.28x = 234.87 × 114.99 - Step 4: Simplify right side
170.28x = 27,007.70 - Step 5: Solve for x
x = 27,007.70/170.28 - Step 6: Final answer
x = 158.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.