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Finding the Fourth Proportional to 367.26, 506.69 and 225.42

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Solution

The fourth proportional to 367.26, 506.69 and 225.42 is: 311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.26 : 506.69 = 225.42 : x
  2. Step 2: Convert to fraction form
    367.26/506.69 = 225.42/x
  3. Step 3: Cross multiply
    367.26x = 506.69 × 225.42
  4. Step 4: Simplify right side
    367.26x = 114,220.95
  5. Step 5: Solve for x
    x = 114,220.95/367.26
  6. Step 6: Final answer
    x = 311.01

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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.