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Finding the Fourth Proportional to 384.08, 579.02 and 356.24

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Solution

The fourth proportional to 384.08, 579.02 and 356.24 is: 537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.08 : 579.02 = 356.24 : x
  2. Step 2: Convert to fraction form
    384.08/579.02 = 356.24/x
  3. Step 3: Cross multiply
    384.08x = 579.02 × 356.24
  4. Step 4: Simplify right side
    384.08x = 206,270.08
  5. Step 5: Solve for x
    x = 206,270.08/384.08
  6. Step 6: Final answer
    x = 537.05

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