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Finding the Fourth Proportional to 550.37, 758.25 and 452.75

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Solution

The fourth proportional to 550.37, 758.25 and 452.75 is: 623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.37 : 758.25 = 452.75 : x
  2. Step 2: Convert to fraction form
    550.37/758.25 = 452.75/x
  3. Step 3: Cross multiply
    550.37x = 758.25 × 452.75
  4. Step 4: Simplify right side
    550.37x = 343,297.69
  5. Step 5: Solve for x
    x = 343,297.69/550.37
  6. Step 6: Final answer
    x = 623.76

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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.