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Finding the Fourth Proportional to 156.19, 234.25 and 59.94

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Solution

The fourth proportional to 156.19, 234.25 and 59.94 is: 89.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.19 : 234.25 = 59.94 : x
  2. Step 2: Convert to fraction form
    156.19/234.25 = 59.94/x
  3. Step 3: Cross multiply
    156.19x = 234.25 × 59.94
  4. Step 4: Simplify right side
    156.19x = 14,040.95
  5. Step 5: Solve for x
    x = 14,040.95/156.19
  6. Step 6: Final answer
    x = 89.90

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