Finding the Fourth Proportional to 382.18, 572.99 and 122.03
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Solution
The fourth proportional to 382.18, 572.99 and 122.03 is: 182.96
Step by Step Solution
- Step 1: Write the proportion equation
382.18 : 572.99 = 122.03 : x - Step 2: Convert to fraction form
382.18/572.99 = 122.03/x - Step 3: Cross multiply
382.18x = 572.99 × 122.03 - Step 4: Simplify right side
382.18x = 69,922.94 - Step 5: Solve for x
x = 69,922.94/382.18 - Step 6: Final answer
x = 182.96
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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.