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Finding the Fourth Proportional to 367.42, 551.11 and 93.50

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Solution

The fourth proportional to 367.42, 551.11 and 93.50 is: 140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.42 : 551.11 = 93.50 : x
  2. Step 2: Convert to fraction form
    367.42/551.11 = 93.50/x
  3. Step 3: Cross multiply
    367.42x = 551.11 × 93.50
  4. Step 4: Simplify right side
    367.42x = 51,528.79
  5. Step 5: Solve for x
    x = 51,528.79/367.42
  6. Step 6: Final answer
    x = 140.24

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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.