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Finding the Fourth Proportional to 594.08, 819.06 and 487.34

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Solution

The fourth proportional to 594.08, 819.06 and 487.34 is: 671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.08 : 819.06 = 487.34 : x
  2. Step 2: Convert to fraction form
    594.08/819.06 = 487.34/x
  3. Step 3: Cross multiply
    594.08x = 819.06 × 487.34
  4. Step 4: Simplify right side
    594.08x = 399,160.70
  5. Step 5: Solve for x
    x = 399,160.70/594.08
  6. Step 6: Final answer
    x = 671.90

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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.