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Finding the Fourth Proportional to 708.94, 978.65 and 552

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Solution

The fourth proportional to 708.94, 978.65 and 552 is: 762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.94 : 978.65 = 552 : x
  2. Step 2: Convert to fraction form
    708.94/978.65 = 552/x
  3. Step 3: Cross multiply
    708.94x = 978.65 × 552
  4. Step 4: Simplify right side
    708.94x = 540,214.80
  5. Step 5: Solve for x
    x = 540,214.80/708.94
  6. Step 6: Final answer
    x = 762.00

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