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Finding the Fourth Proportional to 249.08, 373.60 and 104.68

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Solution

The fourth proportional to 249.08, 373.60 and 104.68 is: 157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.08 : 373.60 = 104.68 : x
  2. Step 2: Convert to fraction form
    249.08/373.60 = 104.68/x
  3. Step 3: Cross multiply
    249.08x = 373.60 × 104.68
  4. Step 4: Simplify right side
    249.08x = 39,108.45
  5. Step 5: Solve for x
    x = 39,108.45/249.08
  6. Step 6: Final answer
    x = 157.01

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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.