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Finding the Fourth Proportional to 65.04, 97.40 and 49.70

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Solution

The fourth proportional to 65.04, 97.40 and 49.70 is: 74.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.04 : 97.40 = 49.70 : x
  2. Step 2: Convert to fraction form
    65.04/97.40 = 49.70/x
  3. Step 3: Cross multiply
    65.04x = 97.40 × 49.70
  4. Step 4: Simplify right side
    65.04x = 4,840.60
  5. Step 5: Solve for x
    x = 4,840.60/65.04
  6. Step 6: Final answer
    x = 74.43

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