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Finding the Fourth Proportional to 183.02, 252.57 and 117.41

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Solution

The fourth proportional to 183.02, 252.57 and 117.41 is: 162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.02 : 252.57 = 117.41 : x
  2. Step 2: Convert to fraction form
    183.02/252.57 = 117.41/x
  3. Step 3: Cross multiply
    183.02x = 252.57 × 117.41
  4. Step 4: Simplify right side
    183.02x = 29,652.98
  5. Step 5: Solve for x
    x = 29,652.98/183.02
  6. Step 6: Final answer
    x = 162.02

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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.