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Finding the Fourth Proportional to 134.98, 203.54 and 114.94

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Solution

The fourth proportional to 134.98, 203.54 and 114.94 is: 173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.98 : 203.54 = 114.94 : x
  2. Step 2: Convert to fraction form
    134.98/203.54 = 114.94/x
  3. Step 3: Cross multiply
    134.98x = 203.54 × 114.94
  4. Step 4: Simplify right side
    134.98x = 23,394.89
  5. Step 5: Solve for x
    x = 23,394.89/134.98
  6. Step 6: Final answer
    x = 173.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.