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Finding the Fourth Proportional to 390.11, 585.01 and 184.32

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Solution

The fourth proportional to 390.11, 585.01 and 184.32 is: 276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    390.11 : 585.01 = 184.32 : x
  2. Step 2: Convert to fraction form
    390.11/585.01 = 184.32/x
  3. Step 3: Cross multiply
    390.11x = 585.01 × 184.32
  4. Step 4: Simplify right side
    390.11x = 107,829.27
  5. Step 5: Solve for x
    x = 107,829.27/390.11
  6. Step 6: Final answer
    x = 276.41

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