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Finding the Fourth Proportional to 451.01, 676.58 and 162.38

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Solution

The fourth proportional to 451.01, 676.58 and 162.38 is: 243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.01 : 676.58 = 162.38 : x
  2. Step 2: Convert to fraction form
    451.01/676.58 = 162.38/x
  3. Step 3: Cross multiply
    451.01x = 676.58 × 162.38
  4. Step 4: Simplify right side
    451.01x = 109,858.87
  5. Step 5: Solve for x
    x = 109,858.87/451.01
  6. Step 6: Final answer
    x = 243.59

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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.