Finding the Fourth Proportional to 299.44, 449.12 and 94
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Solution
The fourth proportional to 299.44, 449.12 and 94 is: 140.99
Step by Step Solution
- Step 1: Write the proportion equation
299.44 : 449.12 = 94 : x - Step 2: Convert to fraction form
299.44/449.12 = 94/x - Step 3: Cross multiply
299.44x = 449.12 × 94 - Step 4: Simplify right side
299.44x = 42,217.28 - Step 5: Solve for x
x = 42,217.28/299.44 - Step 6: Final answer
x = 140.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.