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Finding the Fourth Proportional to 236.53, 355.10 and 168.09

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Solution

The fourth proportional to 236.53, 355.10 and 168.09 is: 252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.53 : 355.10 = 168.09 : x
  2. Step 2: Convert to fraction form
    236.53/355.10 = 168.09/x
  3. Step 3: Cross multiply
    236.53x = 355.10 × 168.09
  4. Step 4: Simplify right side
    236.53x = 59,688.76
  5. Step 5: Solve for x
    x = 59,688.76/236.53
  6. Step 6: Final answer
    x = 252.35

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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.