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Finding the Fourth Proportional to 1,052.03, 1,451.81 and 610.20

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Solution

The fourth proportional to 1,052.03, 1,451.81 and 610.20 is: 842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.03 : 1,451.81 = 610.20 : x
  2. Step 2: Convert to fraction form
    1,052.03/1,451.81 = 610.20/x
  3. Step 3: Cross multiply
    1,052.03x = 1,451.81 × 610.20
  4. Step 4: Simplify right side
    1,052.03x = 885,892.36
  5. Step 5: Solve for x
    x = 885,892.36/1,052.03
  6. Step 6: Final answer
    x = 842.08

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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.