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Finding the Fourth Proportional to 367.41, 551.03 and 107.41

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Solution

The fourth proportional to 367.41, 551.03 and 107.41 is: 161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.41 : 551.03 = 107.41 : x
  2. Step 2: Convert to fraction form
    367.41/551.03 = 107.41/x
  3. Step 3: Cross multiply
    367.41x = 551.03 × 107.41
  4. Step 4: Simplify right side
    367.41x = 59,185.60
  5. Step 5: Solve for x
    x = 59,185.60/367.41
  6. Step 6: Final answer
    x = 161.09

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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.