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Finding the Fourth Proportional to 367.10, 506.60 and 201.31

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Solution

The fourth proportional to 367.10, 506.60 and 201.31 is: 277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.10 : 506.60 = 201.31 : x
  2. Step 2: Convert to fraction form
    367.10/506.60 = 201.31/x
  3. Step 3: Cross multiply
    367.10x = 506.60 × 201.31
  4. Step 4: Simplify right side
    367.10x = 101,983.65
  5. Step 5: Solve for x
    x = 101,983.65/367.10
  6. Step 6: Final answer
    x = 277.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.