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Finding the Fourth Proportional to 192.77, 290.20 and 175.76

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Solution

The fourth proportional to 192.77, 290.20 and 175.76 is: 264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.77 : 290.20 = 175.76 : x
  2. Step 2: Convert to fraction form
    192.77/290.20 = 175.76/x
  3. Step 3: Cross multiply
    192.77x = 290.20 × 175.76
  4. Step 4: Simplify right side
    192.77x = 51,003.22
  5. Step 5: Solve for x
    x = 51,003.22/192.77
  6. Step 6: Final answer
    x = 264.59

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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.