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Finding the Fourth Proportional to 224.19, 308.48 and 192.74

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Solution

The fourth proportional to 224.19, 308.48 and 192.74 is: 265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.19 : 308.48 = 192.74 : x
  2. Step 2: Convert to fraction form
    224.19/308.48 = 192.74/x
  3. Step 3: Cross multiply
    224.19x = 308.48 × 192.74
  4. Step 4: Simplify right side
    224.19x = 59,453.93
  5. Step 5: Solve for x
    x = 59,453.93/224.19
  6. Step 6: Final answer
    x = 265.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.