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Finding the Fourth Proportional to 157.23, 235.88 and 76.07

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Solution

The fourth proportional to 157.23, 235.88 and 76.07 is: 114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.23 : 235.88 = 76.07 : x
  2. Step 2: Convert to fraction form
    157.23/235.88 = 76.07/x
  3. Step 3: Cross multiply
    157.23x = 235.88 × 76.07
  4. Step 4: Simplify right side
    157.23x = 17,941.83
  5. Step 5: Solve for x
    x = 17,941.83/157.23
  6. Step 6: Final answer
    x = 114.11

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