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Finding the Fourth Proportional to 612.32, 918.39 and 179.36

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Solution

The fourth proportional to 612.32, 918.39 and 179.36 is: 269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.32 : 918.39 = 179.36 : x
  2. Step 2: Convert to fraction form
    612.32/918.39 = 179.36/x
  3. Step 3: Cross multiply
    612.32x = 918.39 × 179.36
  4. Step 4: Simplify right side
    612.32x = 164,722.43
  5. Step 5: Solve for x
    x = 164,722.43/612.32
  6. Step 6: Final answer
    x = 269.01

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