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Finding the Fourth Proportional to 335.34, 500.18 and 298.89

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Solution

The fourth proportional to 335.34, 500.18 and 298.89 is: 445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.34 : 500.18 = 298.89 : x
  2. Step 2: Convert to fraction form
    335.34/500.18 = 298.89/x
  3. Step 3: Cross multiply
    335.34x = 500.18 × 298.89
  4. Step 4: Simplify right side
    335.34x = 149,497.31
  5. Step 5: Solve for x
    x = 149,497.31/335.34
  6. Step 6: Final answer
    x = 445.81

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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.