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Finding the Fourth Proportional to 722.18, 995.37 and 547.58

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Solution

The fourth proportional to 722.18, 995.37 and 547.58 is: 754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.18 : 995.37 = 547.58 : x
  2. Step 2: Convert to fraction form
    722.18/995.37 = 547.58/x
  3. Step 3: Cross multiply
    722.18x = 995.37 × 547.58
  4. Step 4: Simplify right side
    722.18x = 545,044.70
  5. Step 5: Solve for x
    x = 545,044.70/722.18
  6. Step 6: Final answer
    x = 754.72

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