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Finding the Fourth Proportional to 244.95, 337.95 and 157.68

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Solution

The fourth proportional to 244.95, 337.95 and 157.68 is: 217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.95 : 337.95 = 157.68 : x
  2. Step 2: Convert to fraction form
    244.95/337.95 = 157.68/x
  3. Step 3: Cross multiply
    244.95x = 337.95 × 157.68
  4. Step 4: Simplify right side
    244.95x = 53,287.96
  5. Step 5: Solve for x
    x = 53,287.96/244.95
  6. Step 6: Final answer
    x = 217.55

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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.