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Finding the Fourth Proportional to 594.14, 819.88 and 345.46

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Solution

The fourth proportional to 594.14, 819.88 and 345.46 is: 476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.14 : 819.88 = 345.46 : x
  2. Step 2: Convert to fraction form
    594.14/819.88 = 345.46/x
  3. Step 3: Cross multiply
    594.14x = 819.88 × 345.46
  4. Step 4: Simplify right side
    594.14x = 283,235.74
  5. Step 5: Solve for x
    x = 283,235.74/594.14
  6. Step 6: Final answer
    x = 476.72

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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.