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Finding the Fourth Proportional to 367.03, 506.48 and 201.21

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Solution

The fourth proportional to 367.03, 506.48 and 201.21 is: 277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.03 : 506.48 = 201.21 : x
  2. Step 2: Convert to fraction form
    367.03/506.48 = 201.21/x
  3. Step 3: Cross multiply
    367.03x = 506.48 × 201.21
  4. Step 4: Simplify right side
    367.03x = 101,908.84
  5. Step 5: Solve for x
    x = 101,908.84/367.03
  6. Step 6: Final answer
    x = 277.66

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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.