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Finding the Fourth Proportional to 531.65, 797.39 and 146.81

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Solution

The fourth proportional to 531.65, 797.39 and 146.81 is: 220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.65 : 797.39 = 146.81 : x
  2. Step 2: Convert to fraction form
    531.65/797.39 = 146.81/x
  3. Step 3: Cross multiply
    531.65x = 797.39 × 146.81
  4. Step 4: Simplify right side
    531.65x = 117,064.83
  5. Step 5: Solve for x
    x = 117,064.83/531.65
  6. Step 6: Final answer
    x = 220.19

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