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Finding the Fourth Proportional to 244.37, 336.61 and 219.77

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Solution

The fourth proportional to 244.37, 336.61 and 219.77 is: 302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.37 : 336.61 = 219.77 : x
  2. Step 2: Convert to fraction form
    244.37/336.61 = 219.77/x
  3. Step 3: Cross multiply
    244.37x = 336.61 × 219.77
  4. Step 4: Simplify right side
    244.37x = 73,976.78
  5. Step 5: Solve for x
    x = 73,976.78/244.37
  6. Step 6: Final answer
    x = 302.72

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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.