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Finding the Fourth Proportional to 299.05, 448.58 and 82.63

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Solution

The fourth proportional to 299.05, 448.58 and 82.63 is: 123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.05 : 448.58 = 82.63 : x
  2. Step 2: Convert to fraction form
    299.05/448.58 = 82.63/x
  3. Step 3: Cross multiply
    299.05x = 448.58 × 82.63
  4. Step 4: Simplify right side
    299.05x = 37,066.17
  5. Step 5: Solve for x
    x = 37,066.17/299.05
  6. Step 6: Final answer
    x = 123.95

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