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Finding the Fourth Proportional to 737.20, 998.10 and 737.20

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Solution

The fourth proportional to 737.20, 998.10 and 737.20 is: 998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.20 : 998.10 = 737.20 : x
  2. Step 2: Convert to fraction form
    737.20/998.10 = 737.20/x
  3. Step 3: Cross multiply
    737.20x = 998.10 × 737.20
  4. Step 4: Simplify right side
    737.20x = 735,799.32
  5. Step 5: Solve for x
    x = 735,799.32/737.20
  6. Step 6: Final answer
    x = 998.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.