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Finding the Fourth Proportional to 572.10, 789.46 and 351.01

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Solution

The fourth proportional to 572.10, 789.46 and 351.01 is: 484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.10 : 789.46 = 351.01 : x
  2. Step 2: Convert to fraction form
    572.10/789.46 = 351.01/x
  3. Step 3: Cross multiply
    572.10x = 789.46 × 351.01
  4. Step 4: Simplify right side
    572.10x = 277,108.35
  5. Step 5: Solve for x
    x = 277,108.35/572.10
  6. Step 6: Final answer
    x = 484.37

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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.