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Finding the Fourth Proportional to 1,034.37, 1,550.09 and 572.36

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Solution

The fourth proportional to 1,034.37, 1,550.09 and 572.36 is: 857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.37 : 1,550.09 = 572.36 : x
  2. Step 2: Convert to fraction form
    1,034.37/1,550.09 = 572.36/x
  3. Step 3: Cross multiply
    1,034.37x = 1,550.09 × 572.36
  4. Step 4: Simplify right side
    1,034.37x = 887,203.19
  5. Step 5: Solve for x
    x = 887,203.19/1,034.37
  6. Step 6: Final answer
    x = 857.72

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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.