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Finding the Fourth Proportional to 622.95, 934.10 and 348.97

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Solution

The fourth proportional to 622.95, 934.10 and 348.97 is: 523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.95 : 934.10 = 348.97 : x
  2. Step 2: Convert to fraction form
    622.95/934.10 = 348.97/x
  3. Step 3: Cross multiply
    622.95x = 934.10 × 348.97
  4. Step 4: Simplify right side
    622.95x = 325,969.08
  5. Step 5: Solve for x
    x = 325,969.08/622.95
  6. Step 6: Final answer
    x = 523.27

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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.