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Finding the Fourth Proportional to 335.42, 500.49 and 298.88

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Solution

The fourth proportional to 335.42, 500.49 and 298.88 is: 445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.42 : 500.49 = 298.88 : x
  2. Step 2: Convert to fraction form
    335.42/500.49 = 298.88/x
  3. Step 3: Cross multiply
    335.42x = 500.49 × 298.88
  4. Step 4: Simplify right side
    335.42x = 149,586.45
  5. Step 5: Solve for x
    x = 149,586.45/335.42
  6. Step 6: Final answer
    x = 445.97

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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.