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Finding the Fourth Proportional to 152.01, 227.94 and 87

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Solution

The fourth proportional to 152.01, 227.94 and 87 is: 130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.01 : 227.94 = 87 : x
  2. Step 2: Convert to fraction form
    152.01/227.94 = 87/x
  3. Step 3: Cross multiply
    152.01x = 227.94 × 87
  4. Step 4: Simplify right side
    152.01x = 19,830.78
  5. Step 5: Solve for x
    x = 19,830.78/152.01
  6. Step 6: Final answer
    x = 130.46

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