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Finding the Fourth Proportional to 229.50, 344.15 and 164.46

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Solution

The fourth proportional to 229.50, 344.15 and 164.46 is: 246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.50 : 344.15 = 164.46 : x
  2. Step 2: Convert to fraction form
    229.50/344.15 = 164.46/x
  3. Step 3: Cross multiply
    229.50x = 344.15 × 164.46
  4. Step 4: Simplify right side
    229.50x = 56,598.09
  5. Step 5: Solve for x
    x = 56,598.09/229.50
  6. Step 6: Final answer
    x = 246.61

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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.