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Finding the Fourth Proportional to 146.00, 219.14 and 64.89

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Solution

The fourth proportional to 146.00, 219.14 and 64.89 is: 97.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.00 : 219.14 = 64.89 : x
  2. Step 2: Convert to fraction form
    146.00/219.14 = 64.89/x
  3. Step 3: Cross multiply
    146.00x = 219.14 × 64.89
  4. Step 4: Simplify right side
    146.00x = 14,219.67
  5. Step 5: Solve for x
    x = 14,219.67/146.00
  6. Step 6: Final answer
    x = 97.40

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