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Finding the Fourth Proportional to 133.01, 183.63 and 88.76

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Solution

The fourth proportional to 133.01, 183.63 and 88.76 is: 122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.01 : 183.63 = 88.76 : x
  2. Step 2: Convert to fraction form
    133.01/183.63 = 88.76/x
  3. Step 3: Cross multiply
    133.01x = 183.63 × 88.76
  4. Step 4: Simplify right side
    133.01x = 16,299.00
  5. Step 5: Solve for x
    x = 16,299.00/133.01
  6. Step 6: Final answer
    x = 122.54

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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.