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Finding the Fourth Proportional to 335.38, 502.93 and 173.18

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Solution

The fourth proportional to 335.38, 502.93 and 173.18 is: 259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.38 : 502.93 = 173.18 : x
  2. Step 2: Convert to fraction form
    335.38/502.93 = 173.18/x
  3. Step 3: Cross multiply
    335.38x = 502.93 × 173.18
  4. Step 4: Simplify right side
    335.38x = 87,097.42
  5. Step 5: Solve for x
    x = 87,097.42/335.38
  6. Step 6: Final answer
    x = 259.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.