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Finding the Fourth Proportional to 244.81, 337.45 and 151.38

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Solution

The fourth proportional to 244.81, 337.45 and 151.38 is: 208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.81 : 337.45 = 151.38 : x
  2. Step 2: Convert to fraction form
    244.81/337.45 = 151.38/x
  3. Step 3: Cross multiply
    244.81x = 337.45 × 151.38
  4. Step 4: Simplify right side
    244.81x = 51,081.87
  5. Step 5: Solve for x
    x = 51,081.87/244.81
  6. Step 6: Final answer
    x = 208.66

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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.