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Finding the Fourth Proportional to 999.91, 1,498.04 and 737.02

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Solution

The fourth proportional to 999.91, 1,498.04 and 737.02 is: 1,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.91 : 1,498.04 = 737.02 : x
  2. Step 2: Convert to fraction form
    999.91/1,498.04 = 737.02/x
  3. Step 3: Cross multiply
    999.91x = 1,498.04 × 737.02
  4. Step 4: Simplify right side
    999.91x = 1,104,082.11
  5. Step 5: Solve for x
    x = 1,104,082.11/999.91
  6. Step 6: Final answer
    x = 1,104.18

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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.