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Finding the Fourth Proportional to 1,052.42, 1,452 and 610.20

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Solution

The fourth proportional to 1,052.42, 1,452 and 610.20 is: 841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.42 : 1,452 = 610.20 : x
  2. Step 2: Convert to fraction form
    1,052.42/1,452 = 610.20/x
  3. Step 3: Cross multiply
    1,052.42x = 1,452 × 610.20
  4. Step 4: Simplify right side
    1,052.42x = 886,010.40
  5. Step 5: Solve for x
    x = 886,010.40/1,052.42
  6. Step 6: Final answer
    x = 841.88

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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.