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Finding the Fourth Proportional to 177.34, 244.85 and 110.98

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Solution

The fourth proportional to 177.34, 244.85 and 110.98 is: 153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.34 : 244.85 = 110.98 : x
  2. Step 2: Convert to fraction form
    177.34/244.85 = 110.98/x
  3. Step 3: Cross multiply
    177.34x = 244.85 × 110.98
  4. Step 4: Simplify right side
    177.34x = 27,171.95
  5. Step 5: Solve for x
    x = 27,171.95/177.34
  6. Step 6: Final answer
    x = 153.22

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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.