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Finding the Fourth Proportional to 306.03, 458.68 and 123.40

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Solution

The fourth proportional to 306.03, 458.68 and 123.40 is: 184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.03 : 458.68 = 123.40 : x
  2. Step 2: Convert to fraction form
    306.03/458.68 = 123.40/x
  3. Step 3: Cross multiply
    306.03x = 458.68 × 123.40
  4. Step 4: Simplify right side
    306.03x = 56,601.11
  5. Step 5: Solve for x
    x = 56,601.11/306.03
  6. Step 6: Final answer
    x = 184.95

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