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Finding the Fourth Proportional to 1,033.65, 1,550.52 and 571.68

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Solution

The fourth proportional to 1,033.65, 1,550.52 and 571.68 is: 857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.65 : 1,550.52 = 571.68 : x
  2. Step 2: Convert to fraction form
    1,033.65/1,550.52 = 571.68/x
  3. Step 3: Cross multiply
    1,033.65x = 1,550.52 × 571.68
  4. Step 4: Simplify right side
    1,033.65x = 886,401.27
  5. Step 5: Solve for x
    x = 886,401.27/1,033.65
  6. Step 6: Final answer
    x = 857.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.