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Finding the Fourth Proportional to 492.88, 739.40 and 236.38

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Solution

The fourth proportional to 492.88, 739.40 and 236.38 is: 354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.88 : 739.40 = 236.38 : x
  2. Step 2: Convert to fraction form
    492.88/739.40 = 236.38/x
  3. Step 3: Cross multiply
    492.88x = 739.40 × 236.38
  4. Step 4: Simplify right side
    492.88x = 174,779.37
  5. Step 5: Solve for x
    x = 174,779.37/492.88
  6. Step 6: Final answer
    x = 354.61

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