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Finding the Fourth Proportional to 305.86, 458.93 and 151.79

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Solution

The fourth proportional to 305.86, 458.93 and 151.79 is: 227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    305.86 : 458.93 = 151.79 : x
  2. Step 2: Convert to fraction form
    305.86/458.93 = 151.79/x
  3. Step 3: Cross multiply
    305.86x = 458.93 × 151.79
  4. Step 4: Simplify right side
    305.86x = 69,660.98
  5. Step 5: Solve for x
    x = 69,660.98/305.86
  6. Step 6: Final answer
    x = 227.75

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