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Finding the Fourth Proportional to 622.36, 932.99 and 348.85

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Solution

The fourth proportional to 622.36, 932.99 and 348.85 is: 522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.36 : 932.99 = 348.85 : x
  2. Step 2: Convert to fraction form
    622.36/932.99 = 348.85/x
  3. Step 3: Cross multiply
    622.36x = 932.99 × 348.85
  4. Step 4: Simplify right side
    622.36x = 325,472.10
  5. Step 5: Solve for x
    x = 325,472.10/622.36
  6. Step 6: Final answer
    x = 522.97

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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.