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Finding the Fourth Proportional to 800.02, 1,197.06 and 482.28

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Solution

The fourth proportional to 800.02, 1,197.06 and 482.28 is: 721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    800.02 : 1,197.06 = 482.28 : x
  2. Step 2: Convert to fraction form
    800.02/1,197.06 = 482.28/x
  3. Step 3: Cross multiply
    800.02x = 1,197.06 × 482.28
  4. Step 4: Simplify right side
    800.02x = 577,321.25
  5. Step 5: Solve for x
    x = 577,321.25/800.02
  6. Step 6: Final answer
    x = 721.63

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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.