Finding the Fourth Proportional to 151.26, 227.49 and 129.99
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Solution
The fourth proportional to 151.26, 227.49 and 129.99 is: 195.50
Step by Step Solution
- Step 1: Write the proportion equation
151.26 : 227.49 = 129.99 : x - Step 2: Convert to fraction form
151.26/227.49 = 129.99/x - Step 3: Cross multiply
151.26x = 227.49 × 129.99 - Step 4: Simplify right side
151.26x = 29,571.43 - Step 5: Solve for x
x = 29,571.43/151.26 - Step 6: Final answer
x = 195.50
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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.