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Finding the Fourth Proportional to 572.01, 789.14 and 350.57

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Solution

The fourth proportional to 572.01, 789.14 and 350.57 is: 483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.01 : 789.14 = 350.57 : x
  2. Step 2: Convert to fraction form
    572.01/789.14 = 350.57/x
  3. Step 3: Cross multiply
    572.01x = 789.14 × 350.57
  4. Step 4: Simplify right side
    572.01x = 276,648.81
  5. Step 5: Solve for x
    x = 276,648.81/572.01
  6. Step 6: Final answer
    x = 483.64

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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.