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Finding the Fourth Proportional to 550.68, 759.06 and 375.72

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Solution

The fourth proportional to 550.68, 759.06 and 375.72 is: 517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.68 : 759.06 = 375.72 : x
  2. Step 2: Convert to fraction form
    550.68/759.06 = 375.72/x
  3. Step 3: Cross multiply
    550.68x = 759.06 × 375.72
  4. Step 4: Simplify right side
    550.68x = 285,194.02
  5. Step 5: Solve for x
    x = 285,194.02/550.68
  6. Step 6: Final answer
    x = 517.89

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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.