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Finding the Fourth Proportional to 335.04, 502.28 and 263.22

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Solution

The fourth proportional to 335.04, 502.28 and 263.22 is: 394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 502.28 = 263.22 : x
  2. Step 2: Convert to fraction form
    335.04/502.28 = 263.22/x
  3. Step 3: Cross multiply
    335.04x = 502.28 × 263.22
  4. Step 4: Simplify right side
    335.04x = 132,210.14
  5. Step 5: Solve for x
    x = 132,210.14/335.04
  6. Step 6: Final answer
    x = 394.61

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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.