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Finding the Fourth Proportional to 271.29, 373.95 and 224.58

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Solution

The fourth proportional to 271.29, 373.95 and 224.58 is: 309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.29 : 373.95 = 224.58 : x
  2. Step 2: Convert to fraction form
    271.29/373.95 = 224.58/x
  3. Step 3: Cross multiply
    271.29x = 373.95 × 224.58
  4. Step 4: Simplify right side
    271.29x = 83,981.69
  5. Step 5: Solve for x
    x = 83,981.69/271.29
  6. Step 6: Final answer
    x = 309.56

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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.