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Finding the Fourth Proportional to 706.22, 974 and 484.82

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Solution

The fourth proportional to 706.22, 974 and 484.82 is: 668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.22 : 974 = 484.82 : x
  2. Step 2: Convert to fraction form
    706.22/974 = 484.82/x
  3. Step 3: Cross multiply
    706.22x = 974 × 484.82
  4. Step 4: Simplify right side
    706.22x = 472,214.68
  5. Step 5: Solve for x
    x = 472,214.68/706.22
  6. Step 6: Final answer
    x = 668.65

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