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Finding the Fourth Proportional to 579.92, 870.84 and 336.08

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Solution

The fourth proportional to 579.92, 870.84 and 336.08 is: 504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.92 : 870.84 = 336.08 : x
  2. Step 2: Convert to fraction form
    579.92/870.84 = 336.08/x
  3. Step 3: Cross multiply
    579.92x = 870.84 × 336.08
  4. Step 4: Simplify right side
    579.92x = 292,671.91
  5. Step 5: Solve for x
    x = 292,671.91/579.92
  6. Step 6: Final answer
    x = 504.68

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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.