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Finding the Fourth Proportional to 497.22, 685.98 and 322.50

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Solution

The fourth proportional to 497.22, 685.98 and 322.50 is: 444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.22 : 685.98 = 322.50 : x
  2. Step 2: Convert to fraction form
    497.22/685.98 = 322.50/x
  3. Step 3: Cross multiply
    497.22x = 685.98 × 322.50
  4. Step 4: Simplify right side
    497.22x = 221,228.55
  5. Step 5: Solve for x
    x = 221,228.55/497.22
  6. Step 6: Final answer
    x = 444.93

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