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Finding the Fourth Proportional to 244.60, 337.54 and 139.64

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Solution

The fourth proportional to 244.60, 337.54 and 139.64 is: 192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.60 : 337.54 = 139.64 : x
  2. Step 2: Convert to fraction form
    244.60/337.54 = 139.64/x
  3. Step 3: Cross multiply
    244.60x = 337.54 × 139.64
  4. Step 4: Simplify right side
    244.60x = 47,134.09
  5. Step 5: Solve for x
    x = 47,134.09/244.60
  6. Step 6: Final answer
    x = 192.70

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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.