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Finding the Fourth Proportional to 470.04, 705.14 and 145.44

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Solution

The fourth proportional to 470.04, 705.14 and 145.44 is: 218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.04 : 705.14 = 145.44 : x
  2. Step 2: Convert to fraction form
    470.04/705.14 = 145.44/x
  3. Step 3: Cross multiply
    470.04x = 705.14 × 145.44
  4. Step 4: Simplify right side
    470.04x = 102,555.56
  5. Step 5: Solve for x
    x = 102,555.56/470.04
  6. Step 6: Final answer
    x = 218.18

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