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Finding the Fourth Proportional to 396.93, 594.88 and 355.93

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Solution

The fourth proportional to 396.93, 594.88 and 355.93 is: 533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.93 : 594.88 = 355.93 : x
  2. Step 2: Convert to fraction form
    396.93/594.88 = 355.93/x
  3. Step 3: Cross multiply
    396.93x = 594.88 × 355.93
  4. Step 4: Simplify right side
    396.93x = 211,733.26
  5. Step 5: Solve for x
    x = 211,733.26/396.93
  6. Step 6: Final answer
    x = 533.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.