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Finding the Fourth Proportional to 737.34, 1,106.69 and 622.52

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Solution

The fourth proportional to 737.34, 1,106.69 and 622.52 is: 934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.34 : 1,106.69 = 622.52 : x
  2. Step 2: Convert to fraction form
    737.34/1,106.69 = 622.52/x
  3. Step 3: Cross multiply
    737.34x = 1,106.69 × 622.52
  4. Step 4: Simplify right side
    737.34x = 688,928.01
  5. Step 5: Solve for x
    x = 688,928.01/737.34
  6. Step 6: Final answer
    x = 934.34

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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.