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Finding the Fourth Proportional to 295.11, 442.68 and 89.68

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Solution

The fourth proportional to 295.11, 442.68 and 89.68 is: 134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.11 : 442.68 = 89.68 : x
  2. Step 2: Convert to fraction form
    295.11/442.68 = 89.68/x
  3. Step 3: Cross multiply
    295.11x = 442.68 × 89.68
  4. Step 4: Simplify right side
    295.11x = 39,701.76
  5. Step 5: Solve for x
    x = 39,701.76/295.11
  6. Step 6: Final answer
    x = 134.53

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