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Finding the Fourth Proportional to 536.74, 805.10 and 171.55

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Solution

The fourth proportional to 536.74, 805.10 and 171.55 is: 257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.74 : 805.10 = 171.55 : x
  2. Step 2: Convert to fraction form
    536.74/805.10 = 171.55/x
  3. Step 3: Cross multiply
    536.74x = 805.10 × 171.55
  4. Step 4: Simplify right side
    536.74x = 138,114.05
  5. Step 5: Solve for x
    x = 138,114.05/536.74
  6. Step 6: Final answer
    x = 257.32

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