Finding the Fourth Proportional to 383.63, 575.62 and 201.11
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Solution
The fourth proportional to 383.63, 575.62 and 201.11 is: 301.75
Step by Step Solution
- Step 1: Write the proportion equation
383.63 : 575.62 = 201.11 : x - Step 2: Convert to fraction form
383.63/575.62 = 201.11/x - Step 3: Cross multiply
383.63x = 575.62 × 201.11 - Step 4: Simplify right side
383.63x = 115,760.06 - Step 5: Solve for x
x = 115,760.06/383.63 - Step 6: Final answer
x = 301.75
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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.