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Finding the Fourth Proportional to 470.10, 703.76 and 348.90

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Solution

The fourth proportional to 470.10, 703.76 and 348.90 is: 522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.10 : 703.76 = 348.90 : x
  2. Step 2: Convert to fraction form
    470.10/703.76 = 348.90/x
  3. Step 3: Cross multiply
    470.10x = 703.76 × 348.90
  4. Step 4: Simplify right side
    470.10x = 245,540.12
  5. Step 5: Solve for x
    x = 245,540.12/470.10
  6. Step 6: Final answer
    x = 522.31

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