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Finding the Fourth Proportional to 555.75, 766.91 and 334.71

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Solution

The fourth proportional to 555.75, 766.91 and 334.71 is: 461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.75 : 766.91 = 334.71 : x
  2. Step 2: Convert to fraction form
    555.75/766.91 = 334.71/x
  3. Step 3: Cross multiply
    555.75x = 766.91 × 334.71
  4. Step 4: Simplify right side
    555.75x = 256,690.77
  5. Step 5: Solve for x
    x = 256,690.77/555.75
  6. Step 6: Final answer
    x = 461.88

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