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Finding the Fourth Proportional to 622.44, 934.05 and 348.71

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Solution

The fourth proportional to 622.44, 934.05 and 348.71 is: 523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.44 : 934.05 = 348.71 : x
  2. Step 2: Convert to fraction form
    622.44/934.05 = 348.71/x
  3. Step 3: Cross multiply
    622.44x = 934.05 × 348.71
  4. Step 4: Simplify right side
    622.44x = 325,710.83
  5. Step 5: Solve for x
    x = 325,710.83/622.44
  6. Step 6: Final answer
    x = 523.28

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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.