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Finding the Fourth Proportional to 359.78, 539.60 and 177.11

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Solution

The fourth proportional to 359.78, 539.60 and 177.11 is: 265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.78 : 539.60 = 177.11 : x
  2. Step 2: Convert to fraction form
    359.78/539.60 = 177.11/x
  3. Step 3: Cross multiply
    359.78x = 539.60 × 177.11
  4. Step 4: Simplify right side
    359.78x = 95,564.97
  5. Step 5: Solve for x
    x = 95,564.97/359.78
  6. Step 6: Final answer
    x = 265.62

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