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Finding the Fourth Proportional to 122.77, 183.43 and 97.03

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Solution

The fourth proportional to 122.77, 183.43 and 97.03 is: 144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.77 : 183.43 = 97.03 : x
  2. Step 2: Convert to fraction form
    122.77/183.43 = 97.03/x
  3. Step 3: Cross multiply
    122.77x = 183.43 × 97.03
  4. Step 4: Simplify right side
    122.77x = 17,798.21
  5. Step 5: Solve for x
    x = 17,798.21/122.77
  6. Step 6: Final answer
    x = 144.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.