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Finding the Fourth Proportional to 236.01, 325.73 and 142.77

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Solution

The fourth proportional to 236.01, 325.73 and 142.77 is: 197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.01 : 325.73 = 142.77 : x
  2. Step 2: Convert to fraction form
    236.01/325.73 = 142.77/x
  3. Step 3: Cross multiply
    236.01x = 325.73 × 142.77
  4. Step 4: Simplify right side
    236.01x = 46,504.47
  5. Step 5: Solve for x
    x = 46,504.47/236.01
  6. Step 6: Final answer
    x = 197.04

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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.