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Finding the Fourth Proportional to 263.81, 364.05 and 145.79

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Solution

The fourth proportional to 263.81, 364.05 and 145.79 is: 201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.81 : 364.05 = 145.79 : x
  2. Step 2: Convert to fraction form
    263.81/364.05 = 145.79/x
  3. Step 3: Cross multiply
    263.81x = 364.05 × 145.79
  4. Step 4: Simplify right side
    263.81x = 53,075.40
  5. Step 5: Solve for x
    x = 53,075.40/263.81
  6. Step 6: Final answer
    x = 201.19

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