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Finding the Fourth Proportional to 165.52, 228.48 and 107.38

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Solution

The fourth proportional to 165.52, 228.48 and 107.38 is: 148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.52 : 228.48 = 107.38 : x
  2. Step 2: Convert to fraction form
    165.52/228.48 = 107.38/x
  3. Step 3: Cross multiply
    165.52x = 228.48 × 107.38
  4. Step 4: Simplify right side
    165.52x = 24,534.18
  5. Step 5: Solve for x
    x = 24,534.18/165.52
  6. Step 6: Final answer
    x = 148.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.