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Finding the Fourth Proportional to 335.58, 499.04 and 331.98

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Solution

The fourth proportional to 335.58, 499.04 and 331.98 is: 493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.58 : 499.04 = 331.98 : x
  2. Step 2: Convert to fraction form
    335.58/499.04 = 331.98/x
  3. Step 3: Cross multiply
    335.58x = 499.04 × 331.98
  4. Step 4: Simplify right side
    335.58x = 165,669.64
  5. Step 5: Solve for x
    x = 165,669.64/335.58
  6. Step 6: Final answer
    x = 493.68

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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.