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Finding the Fourth Proportional to 657.12, 984.64 and 332.04

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Solution

The fourth proportional to 657.12, 984.64 and 332.04 is: 497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.12 : 984.64 = 332.04 : x
  2. Step 2: Convert to fraction form
    657.12/984.64 = 332.04/x
  3. Step 3: Cross multiply
    657.12x = 984.64 × 332.04
  4. Step 4: Simplify right side
    657.12x = 326,939.87
  5. Step 5: Solve for x
    x = 326,939.87/657.12
  6. Step 6: Final answer
    x = 497.53

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