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Finding the Fourth Proportional to 244.33, 337.09 and 157.05

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Solution

The fourth proportional to 244.33, 337.09 and 157.05 is: 216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.33 : 337.09 = 157.05 : x
  2. Step 2: Convert to fraction form
    244.33/337.09 = 157.05/x
  3. Step 3: Cross multiply
    244.33x = 337.09 × 157.05
  4. Step 4: Simplify right side
    244.33x = 52,939.98
  5. Step 5: Solve for x
    x = 52,939.98/244.33
  6. Step 6: Final answer
    x = 216.67

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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.