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Finding the Fourth Proportional to 594.29, 819.91 and 345.55

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Solution

The fourth proportional to 594.29, 819.91 and 345.55 is: 476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.29 : 819.91 = 345.55 : x
  2. Step 2: Convert to fraction form
    594.29/819.91 = 345.55/x
  3. Step 3: Cross multiply
    594.29x = 819.91 × 345.55
  4. Step 4: Simplify right side
    594.29x = 283,319.04
  5. Step 5: Solve for x
    x = 283,319.04/594.29
  6. Step 6: Final answer
    x = 476.74

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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.