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Finding the Fourth Proportional to 524.12, 786.09 and 158.99

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Solution

The fourth proportional to 524.12, 786.09 and 158.99 is: 238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.12 : 786.09 = 158.99 : x
  2. Step 2: Convert to fraction form
    524.12/786.09 = 158.99/x
  3. Step 3: Cross multiply
    524.12x = 786.09 × 158.99
  4. Step 4: Simplify right side
    524.12x = 124,980.45
  5. Step 5: Solve for x
    x = 124,980.45/524.12
  6. Step 6: Final answer
    x = 238.46

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