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Finding the Fourth Proportional to 347.73, 479.94 and 237.24

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Solution

The fourth proportional to 347.73, 479.94 and 237.24 is: 327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.73 : 479.94 = 237.24 : x
  2. Step 2: Convert to fraction form
    347.73/479.94 = 237.24/x
  3. Step 3: Cross multiply
    347.73x = 479.94 × 237.24
  4. Step 4: Simplify right side
    347.73x = 113,860.97
  5. Step 5: Solve for x
    x = 113,860.97/347.73
  6. Step 6: Final answer
    x = 327.44

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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.