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Finding the Fourth Proportional to 437.16, 654.06 and 320.84

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Solution

The fourth proportional to 437.16, 654.06 and 320.84 is: 480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.16 : 654.06 = 320.84 : x
  2. Step 2: Convert to fraction form
    437.16/654.06 = 320.84/x
  3. Step 3: Cross multiply
    437.16x = 654.06 × 320.84
  4. Step 4: Simplify right side
    437.16x = 209,848.61
  5. Step 5: Solve for x
    x = 209,848.61/437.16
  6. Step 6: Final answer
    x = 480.03

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