Finding the Fourth Proportional to 299.99, 449.88 and 94.49
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Solution
The fourth proportional to 299.99, 449.88 and 94.49 is: 141.70
Step by Step Solution
- Step 1: Write the proportion equation
299.99 : 449.88 = 94.49 : x - Step 2: Convert to fraction form
299.99/449.88 = 94.49/x - Step 3: Cross multiply
299.99x = 449.88 × 94.49 - Step 4: Simplify right side
299.99x = 42,508.24 - Step 5: Solve for x
x = 42,508.24/299.99 - Step 6: Final answer
x = 141.70
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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.