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Finding the Fourth Proportional to 249.10, 373.71 and 127.36

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Solution

The fourth proportional to 249.10, 373.71 and 127.36 is: 191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.10 : 373.71 = 127.36 : x
  2. Step 2: Convert to fraction form
    249.10/373.71 = 127.36/x
  3. Step 3: Cross multiply
    249.10x = 373.71 × 127.36
  4. Step 4: Simplify right side
    249.10x = 47,595.71
  5. Step 5: Solve for x
    x = 47,595.71/249.10
  6. Step 6: Final answer
    x = 191.07

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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.