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Finding the Fourth Proportional to 122.92, 184.40 and 62.02

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Solution

The fourth proportional to 122.92, 184.40 and 62.02 is: 93.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.92 : 184.40 = 62.02 : x
  2. Step 2: Convert to fraction form
    122.92/184.40 = 62.02/x
  3. Step 3: Cross multiply
    122.92x = 184.40 × 62.02
  4. Step 4: Simplify right side
    122.92x = 11,435.26
  5. Step 5: Solve for x
    x = 11,435.26/122.92
  6. Step 6: Final answer
    x = 93.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.