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Finding the Fourth Proportional to 381.05, 570.97 and 294.60

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Solution

The fourth proportional to 381.05, 570.97 and 294.60 is: 441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.05 : 570.97 = 294.60 : x
  2. Step 2: Convert to fraction form
    381.05/570.97 = 294.60/x
  3. Step 3: Cross multiply
    381.05x = 570.97 × 294.60
  4. Step 4: Simplify right side
    381.05x = 168,207.76
  5. Step 5: Solve for x
    x = 168,207.76/381.05
  6. Step 6: Final answer
    x = 441.43

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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.