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Finding the Fourth Proportional to 1,331.08, 1,996.73 and 600.73

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Solution

The fourth proportional to 1,331.08, 1,996.73 and 600.73 is: 901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.08 : 1,996.73 = 600.73 : x
  2. Step 2: Convert to fraction form
    1,331.08/1,996.73 = 600.73/x
  3. Step 3: Cross multiply
    1,331.08x = 1,996.73 × 600.73
  4. Step 4: Simplify right side
    1,331.08x = 1,199,495.61
  5. Step 5: Solve for x
    x = 1,199,495.61/1,331.08
  6. Step 6: Final answer
    x = 901.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.