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Finding the Fourth Proportional to 335.31, 501.26 and 300.53

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Solution

The fourth proportional to 335.31, 501.26 and 300.53 is: 449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.31 : 501.26 = 300.53 : x
  2. Step 2: Convert to fraction form
    335.31/501.26 = 300.53/x
  3. Step 3: Cross multiply
    335.31x = 501.26 × 300.53
  4. Step 4: Simplify right side
    335.31x = 150,640.79
  5. Step 5: Solve for x
    x = 150,640.79/335.31
  6. Step 6: Final answer
    x = 449.26

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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.