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Finding the Fourth Proportional to 335.34, 500.58 and 330.48

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Solution

The fourth proportional to 335.34, 500.58 and 330.48 is: 493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.34 : 500.58 = 330.48 : x
  2. Step 2: Convert to fraction form
    335.34/500.58 = 330.48/x
  3. Step 3: Cross multiply
    335.34x = 500.58 × 330.48
  4. Step 4: Simplify right side
    335.34x = 165,431.68
  5. Step 5: Solve for x
    x = 165,431.68/335.34
  6. Step 6: Final answer
    x = 493.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.