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Finding the Fourth Proportional to 62.67, 93.93 and 35.64

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Solution

The fourth proportional to 62.67, 93.93 and 35.64 is: 53.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.67 : 93.93 = 35.64 : x
  2. Step 2: Convert to fraction form
    62.67/93.93 = 35.64/x
  3. Step 3: Cross multiply
    62.67x = 93.93 × 35.64
  4. Step 4: Simplify right side
    62.67x = 3,347.67
  5. Step 5: Solve for x
    x = 3,347.67/62.67
  6. Step 6: Final answer
    x = 53.42

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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.