Finding the Fourth Proportional to 396.92, 595.41 and 122.99
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Solution
The fourth proportional to 396.92, 595.41 and 122.99 is: 184.49
Step by Step Solution
- Step 1: Write the proportion equation
396.92 : 595.41 = 122.99 : x - Step 2: Convert to fraction form
396.92/595.41 = 122.99/x - Step 3: Cross multiply
396.92x = 595.41 × 122.99 - Step 4: Simplify right side
396.92x = 73,229.48 - Step 5: Solve for x
x = 73,229.48/396.92 - Step 6: Final answer
x = 184.49
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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.