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Finding the Fourth Proportional to 188.37, 281.12 and 183.51

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Solution

The fourth proportional to 188.37, 281.12 and 183.51 is: 273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.37 : 281.12 = 183.51 : x
  2. Step 2: Convert to fraction form
    188.37/281.12 = 183.51/x
  3. Step 3: Cross multiply
    188.37x = 281.12 × 183.51
  4. Step 4: Simplify right side
    188.37x = 51,588.33
  5. Step 5: Solve for x
    x = 51,588.33/188.37
  6. Step 6: Final answer
    x = 273.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.