Finding the Fourth Proportional to 892.73, 1,338.92 and 344.99
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Solution
The fourth proportional to 892.73, 1,338.92 and 344.99 is: 517.42
Step by Step Solution
- Step 1: Write the proportion equation
892.73 : 1,338.92 = 344.99 : x - Step 2: Convert to fraction form
892.73/1,338.92 = 344.99/x - Step 3: Cross multiply
892.73x = 1,338.92 × 344.99 - Step 4: Simplify right side
892.73x = 461,912.29 - Step 5: Solve for x
x = 461,912.29/892.73 - Step 6: Final answer
x = 517.42
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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.