Finding the Fourth Proportional to 382.93, 574.44 and 122.94
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Solution
The fourth proportional to 382.93, 574.44 and 122.94 is: 184.42
Step by Step Solution
- Step 1: Write the proportion equation
382.93 : 574.44 = 122.94 : x - Step 2: Convert to fraction form
382.93/574.44 = 122.94/x - Step 3: Cross multiply
382.93x = 574.44 × 122.94 - Step 4: Simplify right side
382.93x = 70,621.65 - Step 5: Solve for x
x = 70,621.65/382.93 - Step 6: Final answer
x = 184.42
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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.