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Finding the Fourth Proportional to 737.37, 1,100.39 and 659.54

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Solution

The fourth proportional to 737.37, 1,100.39 and 659.54 is: 984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.37 : 1,100.39 = 659.54 : x
  2. Step 2: Convert to fraction form
    737.37/1,100.39 = 659.54/x
  3. Step 3: Cross multiply
    737.37x = 1,100.39 × 659.54
  4. Step 4: Simplify right side
    737.37x = 725,750.67
  5. Step 5: Solve for x
    x = 725,750.67/737.37
  6. Step 6: Final answer
    x = 984.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.