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Finding the Fourth Proportional to 244.30, 337.16 and 157.22

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Solution

The fourth proportional to 244.30, 337.16 and 157.22 is: 216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.30 : 337.16 = 157.22 : x
  2. Step 2: Convert to fraction form
    244.30/337.16 = 157.22/x
  3. Step 3: Cross multiply
    244.30x = 337.16 × 157.22
  4. Step 4: Simplify right side
    244.30x = 53,008.30
  5. Step 5: Solve for x
    x = 53,008.30/244.30
  6. Step 6: Final answer
    x = 216.98

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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.