Finding the Fourth Proportional to 226.01, 338.99 and 121.92
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Solution
The fourth proportional to 226.01, 338.99 and 121.92 is: 182.87
Step by Step Solution
- Step 1: Write the proportion equation
226.01 : 338.99 = 121.92 : x - Step 2: Convert to fraction form
226.01/338.99 = 121.92/x - Step 3: Cross multiply
226.01x = 338.99 × 121.92 - Step 4: Simplify right side
226.01x = 41,329.05 - Step 5: Solve for x
x = 41,329.05/226.01 - Step 6: Final answer
x = 182.87
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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.