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Finding the Fourth Proportional to 335.53, 502.89 and 153.01

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Solution

The fourth proportional to 335.53, 502.89 and 153.01 is: 229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.53 : 502.89 = 153.01 : x
  2. Step 2: Convert to fraction form
    335.53/502.89 = 153.01/x
  3. Step 3: Cross multiply
    335.53x = 502.89 × 153.01
  4. Step 4: Simplify right side
    335.53x = 76,947.20
  5. Step 5: Solve for x
    x = 76,947.20/335.53
  6. Step 6: Final answer
    x = 229.33

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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.