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Finding the Fourth Proportional to 244.71, 337.83 and 221.32

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Solution

The fourth proportional to 244.71, 337.83 and 221.32 is: 305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.71 : 337.83 = 221.32 : x
  2. Step 2: Convert to fraction form
    244.71/337.83 = 221.32/x
  3. Step 3: Cross multiply
    244.71x = 337.83 × 221.32
  4. Step 4: Simplify right side
    244.71x = 74,768.54
  5. Step 5: Solve for x
    x = 74,768.54/244.71
  6. Step 6: Final answer
    x = 305.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.