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Finding the Fourth Proportional to 354.35, 530.85 and 244.73

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Solution

The fourth proportional to 354.35, 530.85 and 244.73 is: 366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.35 : 530.85 = 244.73 : x
  2. Step 2: Convert to fraction form
    354.35/530.85 = 244.73/x
  3. Step 3: Cross multiply
    354.35x = 530.85 × 244.73
  4. Step 4: Simplify right side
    354.35x = 129,912.27
  5. Step 5: Solve for x
    x = 129,912.27/354.35
  6. Step 6: Final answer
    x = 366.63

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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.