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Finding the Fourth Proportional to 594.44, 820.34 and 332.45

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Solution

The fourth proportional to 594.44, 820.34 and 332.45 is: 458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.44 : 820.34 = 332.45 : x
  2. Step 2: Convert to fraction form
    594.44/820.34 = 332.45/x
  3. Step 3: Cross multiply
    594.44x = 820.34 × 332.45
  4. Step 4: Simplify right side
    594.44x = 272,722.03
  5. Step 5: Solve for x
    x = 272,722.03/594.44
  6. Step 6: Final answer
    x = 458.79

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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.