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Finding the Fourth Proportional to 251.93, 377.86 and 87.37

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Solution

The fourth proportional to 251.93, 377.86 and 87.37 is: 131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.93 : 377.86 = 87.37 : x
  2. Step 2: Convert to fraction form
    251.93/377.86 = 87.37/x
  3. Step 3: Cross multiply
    251.93x = 377.86 × 87.37
  4. Step 4: Simplify right side
    251.93x = 33,012.38
  5. Step 5: Solve for x
    x = 33,012.38/251.93
  6. Step 6: Final answer
    x = 131.04

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