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Finding the Fourth Proportional to 625.24, 862.32 and 550.38

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Solution

The fourth proportional to 625.24, 862.32 and 550.38 is: 759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.24 : 862.32 = 550.38 : x
  2. Step 2: Convert to fraction form
    625.24/862.32 = 550.38/x
  3. Step 3: Cross multiply
    625.24x = 862.32 × 550.38
  4. Step 4: Simplify right side
    625.24x = 474,603.68
  5. Step 5: Solve for x
    x = 474,603.68/625.24
  6. Step 6: Final answer
    x = 759.07

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1.5x scale

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.