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Finding the Fourth Proportional to 367.83, 551.24 and 276.42

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Solution

The fourth proportional to 367.83, 551.24 and 276.42 is: 414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.83 : 551.24 = 276.42 : x
  2. Step 2: Convert to fraction form
    367.83/551.24 = 276.42/x
  3. Step 3: Cross multiply
    367.83x = 551.24 × 276.42
  4. Step 4: Simplify right side
    367.83x = 152,374.51
  5. Step 5: Solve for x
    x = 152,374.51/367.83
  6. Step 6: Final answer
    x = 414.25

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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.