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Finding the Fourth Proportional to 244.12, 367.64 and 205.84

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Solution

The fourth proportional to 244.12, 367.64 and 205.84 is: 309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.12 : 367.64 = 205.84 : x
  2. Step 2: Convert to fraction form
    244.12/367.64 = 205.84/x
  3. Step 3: Cross multiply
    244.12x = 367.64 × 205.84
  4. Step 4: Simplify right side
    244.12x = 75,675.02
  5. Step 5: Solve for x
    x = 75,675.02/244.12
  6. Step 6: Final answer
    x = 309.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.