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Finding the Fourth Proportional to 165.57, 248.19 and 62.83

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Solution

The fourth proportional to 165.57, 248.19 and 62.83 is: 94.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.57 : 248.19 = 62.83 : x
  2. Step 2: Convert to fraction form
    165.57/248.19 = 62.83/x
  3. Step 3: Cross multiply
    165.57x = 248.19 × 62.83
  4. Step 4: Simplify right side
    165.57x = 15,592.54
  5. Step 5: Solve for x
    x = 15,592.54/165.57
  6. Step 6: Final answer
    x = 94.17

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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.