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Finding the Fourth Proportional to 538, 805.32 and 375.20

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Solution

The fourth proportional to 538, 805.32 and 375.20 is: 561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538 : 805.32 = 375.20 : x
  2. Step 2: Convert to fraction form
    538/805.32 = 375.20/x
  3. Step 3: Cross multiply
    538x = 805.32 × 375.20
  4. Step 4: Simplify right side
    538x = 302,156.06
  5. Step 5: Solve for x
    x = 302,156.06/538
  6. Step 6: Final answer
    x = 561.63

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