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Finding the Fourth Proportional to 335.94, 502.04 and 270.21

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Solution

The fourth proportional to 335.94, 502.04 and 270.21 is: 403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.94 : 502.04 = 270.21 : x
  2. Step 2: Convert to fraction form
    335.94/502.04 = 270.21/x
  3. Step 3: Cross multiply
    335.94x = 502.04 × 270.21
  4. Step 4: Simplify right side
    335.94x = 135,656.23
  5. Step 5: Solve for x
    x = 135,656.23/335.94
  6. Step 6: Final answer
    x = 403.81

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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.