Finding the Fourth Proportional to 383.92, 575.88 and 201.28
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Solution
The fourth proportional to 383.92, 575.88 and 201.28 is: 301.92
Step by Step Solution
- Step 1: Write the proportion equation
383.92 : 575.88 = 201.28 : x - Step 2: Convert to fraction form
383.92/575.88 = 201.28/x - Step 3: Cross multiply
383.92x = 575.88 × 201.28 - Step 4: Simplify right side
383.92x = 115,913.13 - Step 5: Solve for x
x = 115,913.13/383.92 - Step 6: Final answer
x = 301.92
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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.