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Finding the Fourth Proportional to 234.26, 351.20 and 152.09

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Solution

The fourth proportional to 234.26, 351.20 and 152.09 is: 228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.26 : 351.20 = 152.09 : x
  2. Step 2: Convert to fraction form
    234.26/351.20 = 152.09/x
  3. Step 3: Cross multiply
    234.26x = 351.20 × 152.09
  4. Step 4: Simplify right side
    234.26x = 53,411.49
  5. Step 5: Solve for x
    x = 53,411.49/234.26
  6. Step 6: Final answer
    x = 228.01

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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.