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Finding the Fourth Proportional to 593.34, 891.63 and 489.66

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Solution

The fourth proportional to 593.34, 891.63 and 489.66 is: 735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.34 : 891.63 = 489.66 : x
  2. Step 2: Convert to fraction form
    593.34/891.63 = 489.66/x
  3. Step 3: Cross multiply
    593.34x = 891.63 × 489.66
  4. Step 4: Simplify right side
    593.34x = 436,595.55
  5. Step 5: Solve for x
    x = 436,595.55/593.34
  6. Step 6: Final answer
    x = 735.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.