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Finding the Fourth Proportional to 446.01, 615.48 and 256.95

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Solution

The fourth proportional to 446.01, 615.48 and 256.95 is: 354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.01 : 615.48 = 256.95 : x
  2. Step 2: Convert to fraction form
    446.01/615.48 = 256.95/x
  3. Step 3: Cross multiply
    446.01x = 615.48 × 256.95
  4. Step 4: Simplify right side
    446.01x = 158,147.59
  5. Step 5: Solve for x
    x = 158,147.59/446.01
  6. Step 6: Final answer
    x = 354.58

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