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Finding the Fourth Proportional to 335.44, 502.53 and 263.08

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Solution

The fourth proportional to 335.44, 502.53 and 263.08 is: 394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.44 : 502.53 = 263.08 : x
  2. Step 2: Convert to fraction form
    335.44/502.53 = 263.08/x
  3. Step 3: Cross multiply
    335.44x = 502.53 × 263.08
  4. Step 4: Simplify right side
    335.44x = 132,205.59
  5. Step 5: Solve for x
    x = 132,205.59/335.44
  6. Step 6: Final answer
    x = 394.13

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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.