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Finding the Fourth Proportional to 737.43, 1,106.21 and 224.43

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Solution

The fourth proportional to 737.43, 1,106.21 and 224.43 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.43 : 1,106.21 = 224.43 : x
  2. Step 2: Convert to fraction form
    737.43/1,106.21 = 224.43/x
  3. Step 3: Cross multiply
    737.43x = 1,106.21 × 224.43
  4. Step 4: Simplify right side
    737.43x = 248,265.59
  5. Step 5: Solve for x
    x = 248,265.59/737.43
  6. Step 6: Final answer
    x = 336.66

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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.