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Finding the Fourth Proportional to 359.04, 537.36 and 215.04

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Solution

The fourth proportional to 359.04, 537.36 and 215.04 is: 321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.04 : 537.36 = 215.04 : x
  2. Step 2: Convert to fraction form
    359.04/537.36 = 215.04/x
  3. Step 3: Cross multiply
    359.04x = 537.36 × 215.04
  4. Step 4: Simplify right side
    359.04x = 115,553.89
  5. Step 5: Solve for x
    x = 115,553.89/359.04
  6. Step 6: Final answer
    x = 321.84

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