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Finding the Fourth Proportional to 1,033.47, 1,550.25 and 293.13

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Solution

The fourth proportional to 1,033.47, 1,550.25 and 293.13 is: 439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.47 : 1,550.25 = 293.13 : x
  2. Step 2: Convert to fraction form
    1,033.47/1,550.25 = 293.13/x
  3. Step 3: Cross multiply
    1,033.47x = 1,550.25 × 293.13
  4. Step 4: Simplify right side
    1,033.47x = 454,424.78
  5. Step 5: Solve for x
    x = 454,424.78/1,033.47
  6. Step 6: Final answer
    x = 439.71

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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.