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Finding the Fourth Proportional to 244.44, 364.42 and 216.90

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Solution

The fourth proportional to 244.44, 364.42 and 216.90 is: 323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.44 : 364.42 = 216.90 : x
  2. Step 2: Convert to fraction form
    244.44/364.42 = 216.90/x
  3. Step 3: Cross multiply
    244.44x = 364.42 × 216.90
  4. Step 4: Simplify right side
    244.44x = 79,042.16
  5. Step 5: Solve for x
    x = 79,042.16/244.44
  6. Step 6: Final answer
    x = 323.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.