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Finding the Fourth Proportional to 667.06, 920.50 and 368.30

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Solution

The fourth proportional to 667.06, 920.50 and 368.30 is: 508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.06 : 920.50 = 368.30 : x
  2. Step 2: Convert to fraction form
    667.06/920.50 = 368.30/x
  3. Step 3: Cross multiply
    667.06x = 920.50 × 368.30
  4. Step 4: Simplify right side
    667.06x = 339,021.53
  5. Step 5: Solve for x
    x = 339,021.53/667.06
  6. Step 6: Final answer
    x = 508.23

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