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Finding the Fourth Proportional to 781.92, 1,173.08 and 295

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Solution

The fourth proportional to 781.92, 1,173.08 and 295 is: 442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    781.92 : 1,173.08 = 295 : x
  2. Step 2: Convert to fraction form
    781.92/1,173.08 = 295/x
  3. Step 3: Cross multiply
    781.92x = 1,173.08 × 295
  4. Step 4: Simplify right side
    781.92x = 346,058.60
  5. Step 5: Solve for x
    x = 346,058.60/781.92
  6. Step 6: Final answer
    x = 442.58

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