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Finding the Fourth Proportional to 244.93, 337.96 and 139.98

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Solution

The fourth proportional to 244.93, 337.96 and 139.98 is: 193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.93 : 337.96 = 139.98 : x
  2. Step 2: Convert to fraction form
    244.93/337.96 = 139.98/x
  3. Step 3: Cross multiply
    244.93x = 337.96 × 139.98
  4. Step 4: Simplify right side
    244.93x = 47,307.64
  5. Step 5: Solve for x
    x = 47,307.64/244.93
  6. Step 6: Final answer
    x = 193.15

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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.