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Finding the Fourth Proportional to 41.64, 62.50 and 35.66

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Solution

The fourth proportional to 41.64, 62.50 and 35.66 is: 53.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.64 : 62.50 = 35.66 : x
  2. Step 2: Convert to fraction form
    41.64/62.50 = 35.66/x
  3. Step 3: Cross multiply
    41.64x = 62.50 × 35.66
  4. Step 4: Simplify right side
    41.64x = 2,228.75
  5. Step 5: Solve for x
    x = 2,228.75/41.64
  6. Step 6: Final answer
    x = 53.52

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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.