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Finding the Fourth Proportional to 134.77, 184.85 and 118.36

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Solution

The fourth proportional to 134.77, 184.85 and 118.36 is: 162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.77 : 184.85 = 118.36 : x
  2. Step 2: Convert to fraction form
    134.77/184.85 = 118.36/x
  3. Step 3: Cross multiply
    134.77x = 184.85 × 118.36
  4. Step 4: Simplify right side
    134.77x = 21,878.85
  5. Step 5: Solve for x
    x = 21,878.85/134.77
  6. Step 6: Final answer
    x = 162.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.