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Finding the Fourth Proportional to 244.81, 367.18 and 80.28

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Solution

The fourth proportional to 244.81, 367.18 and 80.28 is: 120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.81 : 367.18 = 80.28 : x
  2. Step 2: Convert to fraction form
    244.81/367.18 = 80.28/x
  3. Step 3: Cross multiply
    244.81x = 367.18 × 80.28
  4. Step 4: Simplify right side
    244.81x = 29,475.89
  5. Step 5: Solve for x
    x = 29,475.89/244.81
  6. Step 6: Final answer
    x = 120.40

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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.