Finding the Fourth Proportional to 382.62, 573.79 and 199.99
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Solution
The fourth proportional to 382.62, 573.79 and 199.99 is: 299.91
Step by Step Solution
- Step 1: Write the proportion equation
382.62 : 573.79 = 199.99 : x - Step 2: Convert to fraction form
382.62/573.79 = 199.99/x - Step 3: Cross multiply
382.62x = 573.79 × 199.99 - Step 4: Simplify right side
382.62x = 114,752.26 - Step 5: Solve for x
x = 114,752.26/382.62 - Step 6: Final answer
x = 299.91
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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.