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Finding the Fourth Proportional to 233.96, 351.29 and 155.99

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Solution

The fourth proportional to 233.96, 351.29 and 155.99 is: 234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.96 : 351.29 = 155.99 : x
  2. Step 2: Convert to fraction form
    233.96/351.29 = 155.99/x
  3. Step 3: Cross multiply
    233.96x = 351.29 × 155.99
  4. Step 4: Simplify right side
    233.96x = 54,796.36
  5. Step 5: Solve for x
    x = 54,796.36/233.96
  6. Step 6: Final answer
    x = 234.22

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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.