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Finding the Fourth Proportional to 244.87, 337.95 and 139.99

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Solution

The fourth proportional to 244.87, 337.95 and 139.99 is: 193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.87 : 337.95 = 139.99 : x
  2. Step 2: Convert to fraction form
    244.87/337.95 = 139.99/x
  3. Step 3: Cross multiply
    244.87x = 337.95 × 139.99
  4. Step 4: Simplify right side
    244.87x = 47,309.62
  5. Step 5: Solve for x
    x = 47,309.62/244.87
  6. Step 6: Final answer
    x = 193.20

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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.