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Finding the Fourth Proportional to 304, 452.78 and 288.58

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Solution

The fourth proportional to 304, 452.78 and 288.58 is: 429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304 : 452.78 = 288.58 : x
  2. Step 2: Convert to fraction form
    304/452.78 = 288.58/x
  3. Step 3: Cross multiply
    304x = 452.78 × 288.58
  4. Step 4: Simplify right side
    304x = 130,663.25
  5. Step 5: Solve for x
    x = 130,663.25/304
  6. Step 6: Final answer
    x = 429.81

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