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Finding the Fourth Proportional to 154.54, 231.86 and 46.35

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Solution

The fourth proportional to 154.54, 231.86 and 46.35 is: 69.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.54 : 231.86 = 46.35 : x
  2. Step 2: Convert to fraction form
    154.54/231.86 = 46.35/x
  3. Step 3: Cross multiply
    154.54x = 231.86 × 46.35
  4. Step 4: Simplify right side
    154.54x = 10,746.71
  5. Step 5: Solve for x
    x = 10,746.71/154.54
  6. Step 6: Final answer
    x = 69.54

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