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Finding the Fourth Proportional to 192.27, 288.47 and 62.29

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Solution

The fourth proportional to 192.27, 288.47 and 62.29 is: 93.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.27 : 288.47 = 62.29 : x
  2. Step 2: Convert to fraction form
    192.27/288.47 = 62.29/x
  3. Step 3: Cross multiply
    192.27x = 288.47 × 62.29
  4. Step 4: Simplify right side
    192.27x = 17,968.80
  5. Step 5: Solve for x
    x = 17,968.80/192.27
  6. Step 6: Final answer
    x = 93.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.