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Finding the Fourth Proportional to 546.25, 819.78 and 302.53

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Solution

The fourth proportional to 546.25, 819.78 and 302.53 is: 454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.25 : 819.78 = 302.53 : x
  2. Step 2: Convert to fraction form
    546.25/819.78 = 302.53/x
  3. Step 3: Cross multiply
    546.25x = 819.78 × 302.53
  4. Step 4: Simplify right side
    546.25x = 248,008.04
  5. Step 5: Solve for x
    x = 248,008.04/546.25
  6. Step 6: Final answer
    x = 454.02

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