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Finding the Fourth Proportional to 367.14, 551.09 and 358.87

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Solution

The fourth proportional to 367.14, 551.09 and 358.87 is: 538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.14 : 551.09 = 358.87 : x
  2. Step 2: Convert to fraction form
    367.14/551.09 = 358.87/x
  3. Step 3: Cross multiply
    367.14x = 551.09 × 358.87
  4. Step 4: Simplify right side
    367.14x = 197,769.67
  5. Step 5: Solve for x
    x = 197,769.67/367.14
  6. Step 6: Final answer
    x = 538.68

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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.