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Finding the Fourth Proportional to 367.05, 551.34 and 354.75

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Solution

The fourth proportional to 367.05, 551.34 and 354.75 is: 532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.05 : 551.34 = 354.75 : x
  2. Step 2: Convert to fraction form
    367.05/551.34 = 354.75/x
  3. Step 3: Cross multiply
    367.05x = 551.34 × 354.75
  4. Step 4: Simplify right side
    367.05x = 195,584.71
  5. Step 5: Solve for x
    x = 195,584.71/367.05
  6. Step 6: Final answer
    x = 532.86

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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.