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Finding the Fourth Proportional to 441.37, 609.10 and 254.87

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Solution

The fourth proportional to 441.37, 609.10 and 254.87 is: 351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.37 : 609.10 = 254.87 : x
  2. Step 2: Convert to fraction form
    441.37/609.10 = 254.87/x
  3. Step 3: Cross multiply
    441.37x = 609.10 × 254.87
  4. Step 4: Simplify right side
    441.37x = 155,237.63
  5. Step 5: Solve for x
    x = 155,237.63/441.37
  6. Step 6: Final answer
    x = 351.72

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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.