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Finding the Fourth Proportional to 244.55, 337.37 and 157.28

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Solution

The fourth proportional to 244.55, 337.37 and 157.28 is: 216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.55 : 337.37 = 157.28 : x
  2. Step 2: Convert to fraction form
    244.55/337.37 = 157.28/x
  3. Step 3: Cross multiply
    244.55x = 337.37 × 157.28
  4. Step 4: Simplify right side
    244.55x = 53,059.08
  5. Step 5: Solve for x
    x = 53,059.08/244.55
  6. Step 6: Final answer
    x = 216.96

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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.