Finding the Fourth Proportional to 382.01, 572.99 and 235.79
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Solution
The fourth proportional to 382.01, 572.99 and 235.79 is: 353.67
Step by Step Solution
- Step 1: Write the proportion equation
382.01 : 572.99 = 235.79 : x - Step 2: Convert to fraction form
382.01/572.99 = 235.79/x - Step 3: Cross multiply
382.01x = 572.99 × 235.79 - Step 4: Simplify right side
382.01x = 135,107.33 - Step 5: Solve for x
x = 135,107.33/382.01 - Step 6: Final answer
x = 353.67
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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.