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Finding the Fourth Proportional to 244.01, 336.71 and 139.10

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Solution

The fourth proportional to 244.01, 336.71 and 139.10 is: 191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.01 : 336.71 = 139.10 : x
  2. Step 2: Convert to fraction form
    244.01/336.71 = 139.10/x
  3. Step 3: Cross multiply
    244.01x = 336.71 × 139.10
  4. Step 4: Simplify right side
    244.01x = 46,835.03
  5. Step 5: Solve for x
    x = 46,835.03/244.01
  6. Step 6: Final answer
    x = 191.94

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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.