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Finding the Fourth Proportional to 335.10, 501.90 and 270.54

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Solution

The fourth proportional to 335.10, 501.90 and 270.54 is: 405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.10 : 501.90 = 270.54 : x
  2. Step 2: Convert to fraction form
    335.10/501.90 = 270.54/x
  3. Step 3: Cross multiply
    335.10x = 501.90 × 270.54
  4. Step 4: Simplify right side
    335.10x = 135,784.03
  5. Step 5: Solve for x
    x = 135,784.03/335.10
  6. Step 6: Final answer
    x = 405.20

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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.