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Finding the Fourth Proportional to 183.02, 275.66 and 166.89

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Solution

The fourth proportional to 183.02, 275.66 and 166.89 is: 251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.02 : 275.66 = 166.89 : x
  2. Step 2: Convert to fraction form
    183.02/275.66 = 166.89/x
  3. Step 3: Cross multiply
    183.02x = 275.66 × 166.89
  4. Step 4: Simplify right side
    183.02x = 46,005.31
  5. Step 5: Solve for x
    x = 46,005.31/183.02
  6. Step 6: Final answer
    x = 251.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.