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Finding the Fourth Proportional to 593.85, 819.31 and 384.29

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Solution

The fourth proportional to 593.85, 819.31 and 384.29 is: 530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.85 : 819.31 = 384.29 : x
  2. Step 2: Convert to fraction form
    593.85/819.31 = 384.29/x
  3. Step 3: Cross multiply
    593.85x = 819.31 × 384.29
  4. Step 4: Simplify right side
    593.85x = 314,848.46
  5. Step 5: Solve for x
    x = 314,848.46/593.85
  6. Step 6: Final answer
    x = 530.19

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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.