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Finding the Fourth Proportional to 244.70, 366.68 and 107.50

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Solution

The fourth proportional to 244.70, 366.68 and 107.50 is: 161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.70 : 366.68 = 107.50 : x
  2. Step 2: Convert to fraction form
    244.70/366.68 = 107.50/x
  3. Step 3: Cross multiply
    244.70x = 366.68 × 107.50
  4. Step 4: Simplify right side
    244.70x = 39,418.10
  5. Step 5: Solve for x
    x = 39,418.10/244.70
  6. Step 6: Final answer
    x = 161.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.