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Finding the Fourth Proportional to 367.87, 552.75 and 277.42

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Solution

The fourth proportional to 367.87, 552.75 and 277.42 is: 416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.87 : 552.75 = 277.42 : x
  2. Step 2: Convert to fraction form
    367.87/552.75 = 277.42/x
  3. Step 3: Cross multiply
    367.87x = 552.75 × 277.42
  4. Step 4: Simplify right side
    367.87x = 153,343.91
  5. Step 5: Solve for x
    x = 153,343.91/367.87
  6. Step 6: Final answer
    x = 416.84

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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.