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Finding the Fourth Proportional to 1,053.04, 1,453.03 and 610.85

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Solution

The fourth proportional to 1,053.04, 1,453.03 and 610.85 is: 842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.04 : 1,453.03 = 610.85 : x
  2. Step 2: Convert to fraction form
    1,053.04/1,453.03 = 610.85/x
  3. Step 3: Cross multiply
    1,053.04x = 1,453.03 × 610.85
  4. Step 4: Simplify right side
    1,053.04x = 887,583.38
  5. Step 5: Solve for x
    x = 887,583.38/1,053.04
  6. Step 6: Final answer
    x = 842.88

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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.