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Finding the Fourth Proportional to 607.56, 911.21 and 282.75

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Solution

The fourth proportional to 607.56, 911.21 and 282.75 is: 424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.56 : 911.21 = 282.75 : x
  2. Step 2: Convert to fraction form
    607.56/911.21 = 282.75/x
  3. Step 3: Cross multiply
    607.56x = 911.21 × 282.75
  4. Step 4: Simplify right side
    607.56x = 257,643.21
  5. Step 5: Solve for x
    x = 257,643.21/607.56
  6. Step 6: Final answer
    x = 424.06

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