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Finding the Fourth Proportional to 108.01, 162.03 and 35.89

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Solution

The fourth proportional to 108.01, 162.03 and 35.89 is: 53.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.01 : 162.03 = 35.89 : x
  2. Step 2: Convert to fraction form
    108.01/162.03 = 35.89/x
  3. Step 3: Cross multiply
    108.01x = 162.03 × 35.89
  4. Step 4: Simplify right side
    108.01x = 5,815.26
  5. Step 5: Solve for x
    x = 5,815.26/108.01
  6. Step 6: Final answer
    x = 53.84

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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.