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Finding the Fourth Proportional to 224.57, 336.86 and 102.46

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Solution

The fourth proportional to 224.57, 336.86 and 102.46 is: 153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.57 : 336.86 = 102.46 : x
  2. Step 2: Convert to fraction form
    224.57/336.86 = 102.46/x
  3. Step 3: Cross multiply
    224.57x = 336.86 × 102.46
  4. Step 4: Simplify right side
    224.57x = 34,514.68
  5. Step 5: Solve for x
    x = 34,514.68/224.57
  6. Step 6: Final answer
    x = 153.69

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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.