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Finding the Fourth Proportional to 381.06, 570.42 and 244.24

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Solution

The fourth proportional to 381.06, 570.42 and 244.24 is: 365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.06 : 570.42 = 244.24 : x
  2. Step 2: Convert to fraction form
    381.06/570.42 = 244.24/x
  3. Step 3: Cross multiply
    381.06x = 570.42 × 244.24
  4. Step 4: Simplify right side
    381.06x = 139,319.38
  5. Step 5: Solve for x
    x = 139,319.38/381.06
  6. Step 6: Final answer
    x = 365.61

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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.