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Finding the Fourth Proportional to 622.83, 934.38 and 348.60

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Solution

The fourth proportional to 622.83, 934.38 and 348.60 is: 522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.83 : 934.38 = 348.60 : x
  2. Step 2: Convert to fraction form
    622.83/934.38 = 348.60/x
  3. Step 3: Cross multiply
    622.83x = 934.38 × 348.60
  4. Step 4: Simplify right side
    622.83x = 325,724.87
  5. Step 5: Solve for x
    x = 325,724.87/622.83
  6. Step 6: Final answer
    x = 522.98

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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.