Finding the Fourth Proportional to 382.24, 573.44 and 220.08
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Solution
The fourth proportional to 382.24, 573.44 and 220.08 is: 330.17
Step by Step Solution
- Step 1: Write the proportion equation
382.24 : 573.44 = 220.08 : x - Step 2: Convert to fraction form
382.24/573.44 = 220.08/x - Step 3: Cross multiply
382.24x = 573.44 × 220.08 - Step 4: Simplify right side
382.24x = 126,202.68 - Step 5: Solve for x
x = 126,202.68/382.24 - Step 6: Final answer
x = 330.17
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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.