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Finding the Fourth Proportional to 261.54, 360.14 and 187.73

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Solution

The fourth proportional to 261.54, 360.14 and 187.73 is: 258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.54 : 360.14 = 187.73 : x
  2. Step 2: Convert to fraction form
    261.54/360.14 = 187.73/x
  3. Step 3: Cross multiply
    261.54x = 360.14 × 187.73
  4. Step 4: Simplify right side
    261.54x = 67,609.08
  5. Step 5: Solve for x
    x = 67,609.08/261.54
  6. Step 6: Final answer
    x = 258.50

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