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Finding the Fourth Proportional to 335.50, 463.05 and 282.97

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Solution

The fourth proportional to 335.50, 463.05 and 282.97 is: 390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.50 : 463.05 = 282.97 : x
  2. Step 2: Convert to fraction form
    335.50/463.05 = 282.97/x
  3. Step 3: Cross multiply
    335.50x = 463.05 × 282.97
  4. Step 4: Simplify right side
    335.50x = 131,029.26
  5. Step 5: Solve for x
    x = 131,029.26/335.50
  6. Step 6: Final answer
    x = 390.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.