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Finding the Fourth Proportional to 506.50, 699.04 and 332.24

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Solution

The fourth proportional to 506.50, 699.04 and 332.24 is: 458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.50 : 699.04 = 332.24 : x
  2. Step 2: Convert to fraction form
    506.50/699.04 = 332.24/x
  3. Step 3: Cross multiply
    506.50x = 699.04 × 332.24
  4. Step 4: Simplify right side
    506.50x = 232,249.05
  5. Step 5: Solve for x
    x = 232,249.05/506.50
  6. Step 6: Final answer
    x = 458.54

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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.