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Finding the Fourth Proportional to 244.23, 366.21 and 122.42

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Solution

The fourth proportional to 244.23, 366.21 and 122.42 is: 183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.23 : 366.21 = 122.42 : x
  2. Step 2: Convert to fraction form
    244.23/366.21 = 122.42/x
  3. Step 3: Cross multiply
    244.23x = 366.21 × 122.42
  4. Step 4: Simplify right side
    244.23x = 44,829.60
  5. Step 5: Solve for x
    x = 44,829.60/244.23
  6. Step 6: Final answer
    x = 183.55

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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.