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Finding the Fourth Proportional to 79.05, 118.52 and 30.93

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Solution

The fourth proportional to 79.05, 118.52 and 30.93 is: 46.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.05 : 118.52 = 30.93 : x
  2. Step 2: Convert to fraction form
    79.05/118.52 = 30.93/x
  3. Step 3: Cross multiply
    79.05x = 118.52 × 30.93
  4. Step 4: Simplify right side
    79.05x = 3,665.67
  5. Step 5: Solve for x
    x = 3,665.67/79.05
  6. Step 6: Final answer
    x = 46.37

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