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Finding the Fourth Proportional to 437.17, 658.36 and 394.33

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Solution

The fourth proportional to 437.17, 658.36 and 394.33 is: 593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.17 : 658.36 = 394.33 : x
  2. Step 2: Convert to fraction form
    437.17/658.36 = 394.33/x
  3. Step 3: Cross multiply
    437.17x = 658.36 × 394.33
  4. Step 4: Simplify right side
    437.17x = 259,611.10
  5. Step 5: Solve for x
    x = 259,611.10/437.17
  6. Step 6: Final answer
    x = 593.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.