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Finding the Fourth Proportional to 193.46, 288.76 and 177.22

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Solution

The fourth proportional to 193.46, 288.76 and 177.22 is: 264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.46 : 288.76 = 177.22 : x
  2. Step 2: Convert to fraction form
    193.46/288.76 = 177.22/x
  3. Step 3: Cross multiply
    193.46x = 288.76 × 177.22
  4. Step 4: Simplify right side
    193.46x = 51,172.88
  5. Step 5: Solve for x
    x = 51,172.88/193.46
  6. Step 6: Final answer
    x = 264.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.