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Finding the Fourth Proportional to 367.36, 551.68 and 240

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Solution

The fourth proportional to 367.36, 551.68 and 240 is: 360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.36 : 551.68 = 240 : x
  2. Step 2: Convert to fraction form
    367.36/551.68 = 240/x
  3. Step 3: Cross multiply
    367.36x = 551.68 × 240
  4. Step 4: Simplify right side
    367.36x = 132,403.20
  5. Step 5: Solve for x
    x = 132,403.20/367.36
  6. Step 6: Final answer
    x = 360.42

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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.