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Finding the Fourth Proportional to 35.98, 54.26 and 35.55

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Solution

The fourth proportional to 35.98, 54.26 and 35.55 is: 53.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.98 : 54.26 = 35.55 : x
  2. Step 2: Convert to fraction form
    35.98/54.26 = 35.55/x
  3. Step 3: Cross multiply
    35.98x = 54.26 × 35.55
  4. Step 4: Simplify right side
    35.98x = 1,928.94
  5. Step 5: Solve for x
    x = 1,928.94/35.98
  6. Step 6: Final answer
    x = 53.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.