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Finding the Fourth Proportional to 528.15, 792.05 and 181.43

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Solution

The fourth proportional to 528.15, 792.05 and 181.43 is: 272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.15 : 792.05 = 181.43 : x
  2. Step 2: Convert to fraction form
    528.15/792.05 = 181.43/x
  3. Step 3: Cross multiply
    528.15x = 792.05 × 181.43
  4. Step 4: Simplify right side
    528.15x = 143,696.76
  5. Step 5: Solve for x
    x = 143,696.76/528.15
  6. Step 6: Final answer
    x = 272.08

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