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Finding the Fourth Proportional to 375.12, 562.55 and 131.58

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Solution

The fourth proportional to 375.12, 562.55 and 131.58 is: 197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.12 : 562.55 = 131.58 : x
  2. Step 2: Convert to fraction form
    375.12/562.55 = 131.58/x
  3. Step 3: Cross multiply
    375.12x = 562.55 × 131.58
  4. Step 4: Simplify right side
    375.12x = 74,019.67
  5. Step 5: Solve for x
    x = 74,019.67/375.12
  6. Step 6: Final answer
    x = 197.32

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