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Finding the Fourth Proportional to 190.49, 260.96 and 183.47

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Solution

The fourth proportional to 190.49, 260.96 and 183.47 is: 251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.49 : 260.96 = 183.47 : x
  2. Step 2: Convert to fraction form
    190.49/260.96 = 183.47/x
  3. Step 3: Cross multiply
    190.49x = 260.96 × 183.47
  4. Step 4: Simplify right side
    190.49x = 47,879.86
  5. Step 5: Solve for x
    x = 47,879.86/190.49
  6. Step 6: Final answer
    x = 251.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.