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Finding the Fourth Proportional to 437.91, 604.29 and 251.37

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Solution

The fourth proportional to 437.91, 604.29 and 251.37 is: 346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.91 : 604.29 = 251.37 : x
  2. Step 2: Convert to fraction form
    437.91/604.29 = 251.37/x
  3. Step 3: Cross multiply
    437.91x = 604.29 × 251.37
  4. Step 4: Simplify right side
    437.91x = 151,900.38
  5. Step 5: Solve for x
    x = 151,900.38/437.91
  6. Step 6: Final answer
    x = 346.88

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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.