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Finding the Fourth Proportional to 464.33, 696.50 and 190.42

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Solution

The fourth proportional to 464.33, 696.50 and 190.42 is: 285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.33 : 696.50 = 190.42 : x
  2. Step 2: Convert to fraction form
    464.33/696.50 = 190.42/x
  3. Step 3: Cross multiply
    464.33x = 696.50 × 190.42
  4. Step 4: Simplify right side
    464.33x = 132,625.55
  5. Step 5: Solve for x
    x = 132,625.55/464.33
  6. Step 6: Final answer
    x = 285.63

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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.