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Finding the Fourth Proportional to 61.58, 92.36 and 25.02

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Solution

The fourth proportional to 61.58, 92.36 and 25.02 is: 37.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.58 : 92.36 = 25.02 : x
  2. Step 2: Convert to fraction form
    61.58/92.36 = 25.02/x
  3. Step 3: Cross multiply
    61.58x = 92.36 × 25.02
  4. Step 4: Simplify right side
    61.58x = 2,310.91
  5. Step 5: Solve for x
    x = 2,310.91/61.58
  6. Step 6: Final answer
    x = 37.53

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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.