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Finding the Fourth Proportional to 593.92, 819.93 and 397.63

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Solution

The fourth proportional to 593.92, 819.93 and 397.63 is: 548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.92 : 819.93 = 397.63 : x
  2. Step 2: Convert to fraction form
    593.92/819.93 = 397.63/x
  3. Step 3: Cross multiply
    593.92x = 819.93 × 397.63
  4. Step 4: Simplify right side
    593.92x = 326,028.77
  5. Step 5: Solve for x
    x = 326,028.77/593.92
  6. Step 6: Final answer
    x = 548.94

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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.