Finding the Fourth Proportional to 396.62, 594.85 and 107.99
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Solution
The fourth proportional to 396.62, 594.85 and 107.99 is: 161.96
Step by Step Solution
- Step 1: Write the proportion equation
396.62 : 594.85 = 107.99 : x - Step 2: Convert to fraction form
396.62/594.85 = 107.99/x - Step 3: Cross multiply
396.62x = 594.85 × 107.99 - Step 4: Simplify right side
396.62x = 64,234.88 - Step 5: Solve for x
x = 64,234.88/396.62 - Step 6: Final answer
x = 161.96
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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.