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Finding the Fourth Proportional to 579.39, 800.26 and 432.67

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Solution

The fourth proportional to 579.39, 800.26 and 432.67 is: 597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.39 : 800.26 = 432.67 : x
  2. Step 2: Convert to fraction form
    579.39/800.26 = 432.67/x
  3. Step 3: Cross multiply
    579.39x = 800.26 × 432.67
  4. Step 4: Simplify right side
    579.39x = 346,248.49
  5. Step 5: Solve for x
    x = 346,248.49/579.39
  6. Step 6: Final answer
    x = 597.61

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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.