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Finding the Fourth Proportional to 270.63, 405.99 and 116.46

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Solution

The fourth proportional to 270.63, 405.99 and 116.46 is: 174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.63 : 405.99 = 116.46 : x
  2. Step 2: Convert to fraction form
    270.63/405.99 = 116.46/x
  3. Step 3: Cross multiply
    270.63x = 405.99 × 116.46
  4. Step 4: Simplify right side
    270.63x = 47,281.60
  5. Step 5: Solve for x
    x = 47,281.60/270.63
  6. Step 6: Final answer
    x = 174.71

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