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Finding the Fourth Proportional to 249.04, 373.50 and 102.75

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Solution

The fourth proportional to 249.04, 373.50 and 102.75 is: 154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.04 : 373.50 = 102.75 : x
  2. Step 2: Convert to fraction form
    249.04/373.50 = 102.75/x
  3. Step 3: Cross multiply
    249.04x = 373.50 × 102.75
  4. Step 4: Simplify right side
    249.04x = 38,377.13
  5. Step 5: Solve for x
    x = 38,377.13/249.04
  6. Step 6: Final answer
    x = 154.10

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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.