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Finding the Fourth Proportional to 134.98, 203.27 and 118.93

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Solution

The fourth proportional to 134.98, 203.27 and 118.93 is: 179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.98 : 203.27 = 118.93 : x
  2. Step 2: Convert to fraction form
    134.98/203.27 = 118.93/x
  3. Step 3: Cross multiply
    134.98x = 203.27 × 118.93
  4. Step 4: Simplify right side
    134.98x = 24,174.90
  5. Step 5: Solve for x
    x = 24,174.90/134.98
  6. Step 6: Final answer
    x = 179.10

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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.