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Finding the Fourth Proportional to 351.52, 524.17 and 348.45

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Solution

The fourth proportional to 351.52, 524.17 and 348.45 is: 519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.52 : 524.17 = 348.45 : x
  2. Step 2: Convert to fraction form
    351.52/524.17 = 348.45/x
  3. Step 3: Cross multiply
    351.52x = 524.17 × 348.45
  4. Step 4: Simplify right side
    351.52x = 182,647.91
  5. Step 5: Solve for x
    x = 182,647.91/351.52
  6. Step 6: Final answer
    x = 519.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.