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Finding the Fourth Proportional to 1,052.64, 1,452.78 and 610.68

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Solution

The fourth proportional to 1,052.64, 1,452.78 and 610.68 is: 842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.64 : 1,452.78 = 610.68 : x
  2. Step 2: Convert to fraction form
    1,052.64/1,452.78 = 610.68/x
  3. Step 3: Cross multiply
    1,052.64x = 1,452.78 × 610.68
  4. Step 4: Simplify right side
    1,052.64x = 887,183.69
  5. Step 5: Solve for x
    x = 887,183.69/1,052.64
  6. Step 6: Final answer
    x = 842.82

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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.