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Finding the Fourth Proportional to 244.86, 337.78 and 145.23

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Solution

The fourth proportional to 244.86, 337.78 and 145.23 is: 200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.86 : 337.78 = 145.23 : x
  2. Step 2: Convert to fraction form
    244.86/337.78 = 145.23/x
  3. Step 3: Cross multiply
    244.86x = 337.78 × 145.23
  4. Step 4: Simplify right side
    244.86x = 49,057.12
  5. Step 5: Solve for x
    x = 49,057.12/244.86
  6. Step 6: Final answer
    x = 200.35

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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.