Finding the Fourth Proportional to 227.41, 340.07 and 144.99
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Solution
The fourth proportional to 227.41, 340.07 and 144.99 is: 216.82
Step by Step Solution
- Step 1: Write the proportion equation
227.41 : 340.07 = 144.99 : x - Step 2: Convert to fraction form
227.41/340.07 = 144.99/x - Step 3: Cross multiply
227.41x = 340.07 × 144.99 - Step 4: Simplify right side
227.41x = 49,306.02 - Step 5: Solve for x
x = 49,306.02/227.41 - Step 6: Final answer
x = 216.82
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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.