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Finding the Fourth Proportional to 224.47, 334.76 and 192.17

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Solution

The fourth proportional to 224.47, 334.76 and 192.17 is: 286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.47 : 334.76 = 192.17 : x
  2. Step 2: Convert to fraction form
    224.47/334.76 = 192.17/x
  3. Step 3: Cross multiply
    224.47x = 334.76 × 192.17
  4. Step 4: Simplify right side
    224.47x = 64,330.83
  5. Step 5: Solve for x
    x = 64,330.83/224.47
  6. Step 6: Final answer
    x = 286.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.