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Finding the Fourth Proportional to 555.79, 767.04 and 334.73

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Solution

The fourth proportional to 555.79, 767.04 and 334.73 is: 461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.79 : 767.04 = 334.73 : x
  2. Step 2: Convert to fraction form
    555.79/767.04 = 334.73/x
  3. Step 3: Cross multiply
    555.79x = 767.04 × 334.73
  4. Step 4: Simplify right side
    555.79x = 256,751.30
  5. Step 5: Solve for x
    x = 256,751.30/555.79
  6. Step 6: Final answer
    x = 461.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.