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Finding the Fourth Proportional to 710, 1,065.52 and 254

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Solution

The fourth proportional to 710, 1,065.52 and 254 is: 381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    710 : 1,065.52 = 254 : x
  2. Step 2: Convert to fraction form
    710/1,065.52 = 254/x
  3. Step 3: Cross multiply
    710x = 1,065.52 × 254
  4. Step 4: Simplify right side
    710x = 270,642.08
  5. Step 5: Solve for x
    x = 270,642.08/710
  6. Step 6: Final answer
    x = 381.19

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