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Finding the Fourth Proportional to 572.24, 789.56 and 336.14

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Solution

The fourth proportional to 572.24, 789.56 and 336.14 is: 463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.24 : 789.56 = 336.14 : x
  2. Step 2: Convert to fraction form
    572.24/789.56 = 336.14/x
  3. Step 3: Cross multiply
    572.24x = 789.56 × 336.14
  4. Step 4: Simplify right side
    572.24x = 265,402.70
  5. Step 5: Solve for x
    x = 265,402.70/572.24
  6. Step 6: Final answer
    x = 463.80

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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.