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Finding the Fourth Proportional to 437.67, 600.36 and 428.55

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Solution

The fourth proportional to 437.67, 600.36 and 428.55 is: 587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.67 : 600.36 = 428.55 : x
  2. Step 2: Convert to fraction form
    437.67/600.36 = 428.55/x
  3. Step 3: Cross multiply
    437.67x = 600.36 × 428.55
  4. Step 4: Simplify right side
    437.67x = 257,282.14
  5. Step 5: Solve for x
    x = 257,282.14/437.67
  6. Step 6: Final answer
    x = 587.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.