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Finding the Fourth Proportional to 61.94, 92.99 and 37.58

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Solution

The fourth proportional to 61.94, 92.99 and 37.58 is: 56.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.94 : 92.99 = 37.58 : x
  2. Step 2: Convert to fraction form
    61.94/92.99 = 37.58/x
  3. Step 3: Cross multiply
    61.94x = 92.99 × 37.58
  4. Step 4: Simplify right side
    61.94x = 3,494.38
  5. Step 5: Solve for x
    x = 3,494.38/61.94
  6. Step 6: Final answer
    x = 56.42

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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.