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Finding the Fourth Proportional to 190.18, 263.87 and 183.70

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Solution

The fourth proportional to 190.18, 263.87 and 183.70 is: 254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.18 : 263.87 = 183.70 : x
  2. Step 2: Convert to fraction form
    190.18/263.87 = 183.70/x
  3. Step 3: Cross multiply
    190.18x = 263.87 × 183.70
  4. Step 4: Simplify right side
    190.18x = 48,472.92
  5. Step 5: Solve for x
    x = 48,472.92/190.18
  6. Step 6: Final answer
    x = 254.88

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.