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Finding the Fourth Proportional to 224.35, 336.43 and 146.18

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Solution

The fourth proportional to 224.35, 336.43 and 146.18 is: 219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.35 : 336.43 = 146.18 : x
  2. Step 2: Convert to fraction form
    224.35/336.43 = 146.18/x
  3. Step 3: Cross multiply
    224.35x = 336.43 × 146.18
  4. Step 4: Simplify right side
    224.35x = 49,179.81
  5. Step 5: Solve for x
    x = 49,179.81/224.35
  6. Step 6: Final answer
    x = 219.21

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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.