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Finding the Fourth Proportional to 100.00, 150.14 and 56.71

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Solution

The fourth proportional to 100.00, 150.14 and 56.71 is: 85.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.00 : 150.14 = 56.71 : x
  2. Step 2: Convert to fraction form
    100.00/150.14 = 56.71/x
  3. Step 3: Cross multiply
    100.00x = 150.14 × 56.71
  4. Step 4: Simplify right side
    100.00x = 8,514.77
  5. Step 5: Solve for x
    x = 8,514.77/100.00
  6. Step 6: Final answer
    x = 85.15

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