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Finding the Fourth Proportional to 253.28, 351.26 and 237.44

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Solution

The fourth proportional to 253.28, 351.26 and 237.44 is: 329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.28 : 351.26 = 237.44 : x
  2. Step 2: Convert to fraction form
    253.28/351.26 = 237.44/x
  3. Step 3: Cross multiply
    253.28x = 351.26 × 237.44
  4. Step 4: Simplify right side
    253.28x = 83,403.17
  5. Step 5: Solve for x
    x = 83,403.17/253.28
  6. Step 6: Final answer
    x = 329.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.