Finding the Fourth Proportional to 299.97, 449.79 and 94.49
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Solution
The fourth proportional to 299.97, 449.79 and 94.49 is: 141.68
Step by Step Solution
- Step 1: Write the proportion equation
299.97 : 449.79 = 94.49 : x - Step 2: Convert to fraction form
299.97/449.79 = 94.49/x - Step 3: Cross multiply
299.97x = 449.79 × 94.49 - Step 4: Simplify right side
299.97x = 42,499.74 - Step 5: Solve for x
x = 42,499.74/299.97 - Step 6: Final answer
x = 141.68
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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.