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Finding the Fourth Proportional to 554.08, 831.12 and 188.84

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Solution

The fourth proportional to 554.08, 831.12 and 188.84 is: 283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.08 : 831.12 = 188.84 : x
  2. Step 2: Convert to fraction form
    554.08/831.12 = 188.84/x
  3. Step 3: Cross multiply
    554.08x = 831.12 × 188.84
  4. Step 4: Simplify right side
    554.08x = 156,943.60
  5. Step 5: Solve for x
    x = 156,943.60/554.08
  6. Step 6: Final answer
    x = 283.25

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