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Finding the Fourth Proportional to 193.49, 291.27 and 176.48

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Solution

The fourth proportional to 193.49, 291.27 and 176.48 is: 265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.49 : 291.27 = 176.48 : x
  2. Step 2: Convert to fraction form
    193.49/291.27 = 176.48/x
  3. Step 3: Cross multiply
    193.49x = 291.27 × 176.48
  4. Step 4: Simplify right side
    193.49x = 51,401.87
  5. Step 5: Solve for x
    x = 51,401.87/193.49
  6. Step 6: Final answer
    x = 265.66

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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.