Finding the Fourth Proportional to 227.07, 340.50 and 82.69
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Solution
The fourth proportional to 227.07, 340.50 and 82.69 is: 123.99
Step by Step Solution
- Step 1: Write the proportion equation
227.07 : 340.50 = 82.69 : x - Step 2: Convert to fraction form
227.07/340.50 = 82.69/x - Step 3: Cross multiply
227.07x = 340.50 × 82.69 - Step 4: Simplify right side
227.07x = 28,155.40 - Step 5: Solve for x
x = 28,155.40/227.07 - Step 6: Final answer
x = 123.99
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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.