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Finding the Fourth Proportional to 1,052.48, 1,452.42 and 610.64

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Solution

The fourth proportional to 1,052.48, 1,452.42 and 610.64 is: 842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.48 : 1,452.42 = 610.64 : x
  2. Step 2: Convert to fraction form
    1,052.48/1,452.42 = 610.64/x
  3. Step 3: Cross multiply
    1,052.48x = 1,452.42 × 610.64
  4. Step 4: Simplify right side
    1,052.48x = 886,898.49
  5. Step 5: Solve for x
    x = 886,898.49/1,052.48
  6. Step 6: Final answer
    x = 842.68

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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.