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Finding the Fourth Proportional to 339.66, 468.65 and 206.95

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Solution

The fourth proportional to 339.66, 468.65 and 206.95 is: 285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.66 : 468.65 = 206.95 : x
  2. Step 2: Convert to fraction form
    339.66/468.65 = 206.95/x
  3. Step 3: Cross multiply
    339.66x = 468.65 × 206.95
  4. Step 4: Simplify right side
    339.66x = 96,984.26
  5. Step 5: Solve for x
    x = 96,984.26/339.66
  6. Step 6: Final answer
    x = 285.54

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