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Finding the Fourth Proportional to 519.26, 715.92 and 332.44

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Solution

The fourth proportional to 519.26, 715.92 and 332.44 is: 458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.26 : 715.92 = 332.44 : x
  2. Step 2: Convert to fraction form
    519.26/715.92 = 332.44/x
  3. Step 3: Cross multiply
    519.26x = 715.92 × 332.44
  4. Step 4: Simplify right side
    519.26x = 238,000.44
  5. Step 5: Solve for x
    x = 238,000.44/519.26
  6. Step 6: Final answer
    x = 458.35

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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.