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Finding the Fourth Proportional to 133.98, 184.75 and 92.59

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Solution

The fourth proportional to 133.98, 184.75 and 92.59 is: 127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.98 : 184.75 = 92.59 : x
  2. Step 2: Convert to fraction form
    133.98/184.75 = 92.59/x
  3. Step 3: Cross multiply
    133.98x = 184.75 × 92.59
  4. Step 4: Simplify right side
    133.98x = 17,106.00
  5. Step 5: Solve for x
    x = 17,106.00/133.98
  6. Step 6: Final answer
    x = 127.68

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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.