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Finding the Fourth Proportional to 244.80, 337.90 and 151.64

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Solution

The fourth proportional to 244.80, 337.90 and 151.64 is: 209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.80 : 337.90 = 151.64 : x
  2. Step 2: Convert to fraction form
    244.80/337.90 = 151.64/x
  3. Step 3: Cross multiply
    244.80x = 337.90 × 151.64
  4. Step 4: Simplify right side
    244.80x = 51,239.16
  5. Step 5: Solve for x
    x = 51,239.16/244.80
  6. Step 6: Final answer
    x = 209.31

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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.