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Finding the Fourth Proportional to 244.46, 368.34 and 221.36

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Solution

The fourth proportional to 244.46, 368.34 and 221.36 is: 333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.46 : 368.34 = 221.36 : x
  2. Step 2: Convert to fraction form
    244.46/368.34 = 221.36/x
  3. Step 3: Cross multiply
    244.46x = 368.34 × 221.36
  4. Step 4: Simplify right side
    244.46x = 81,533.90
  5. Step 5: Solve for x
    x = 81,533.90/244.46
  6. Step 6: Final answer
    x = 333.52

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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.