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Finding the Fourth Proportional to 342.41, 472.52 and 187.16

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Solution

The fourth proportional to 342.41, 472.52 and 187.16 is: 258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.41 : 472.52 = 187.16 : x
  2. Step 2: Convert to fraction form
    342.41/472.52 = 187.16/x
  3. Step 3: Cross multiply
    342.41x = 472.52 × 187.16
  4. Step 4: Simplify right side
    342.41x = 88,436.84
  5. Step 5: Solve for x
    x = 88,436.84/342.41
  6. Step 6: Final answer
    x = 258.28

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