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Finding the Fourth Proportional to 244.99, 338.16 and 151.75

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Solution

The fourth proportional to 244.99, 338.16 and 151.75 is: 209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.99 : 338.16 = 151.75 : x
  2. Step 2: Convert to fraction form
    244.99/338.16 = 151.75/x
  3. Step 3: Cross multiply
    244.99x = 338.16 × 151.75
  4. Step 4: Simplify right side
    244.99x = 51,315.78
  5. Step 5: Solve for x
    x = 51,315.78/244.99
  6. Step 6: Final answer
    x = 209.46

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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.