Finding the Fourth Proportional to 299.44, 449.26 and 155.26
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Solution
The fourth proportional to 299.44, 449.26 and 155.26 is: 232.94
Step by Step Solution
- Step 1: Write the proportion equation
299.44 : 449.26 = 155.26 : x - Step 2: Convert to fraction form
299.44/449.26 = 155.26/x - Step 3: Cross multiply
299.44x = 449.26 × 155.26 - Step 4: Simplify right side
299.44x = 69,750.60 - Step 5: Solve for x
x = 69,750.60/299.44 - Step 6: Final answer
x = 232.94
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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.