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Finding the Fourth Proportional to 550.41, 759.57 and 301.71

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Solution

The fourth proportional to 550.41, 759.57 and 301.71 is: 416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.41 : 759.57 = 301.71 : x
  2. Step 2: Convert to fraction form
    550.41/759.57 = 301.71/x
  3. Step 3: Cross multiply
    550.41x = 759.57 × 301.71
  4. Step 4: Simplify right side
    550.41x = 229,171.36
  5. Step 5: Solve for x
    x = 229,171.36/550.41
  6. Step 6: Final answer
    x = 416.37

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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.