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Finding the Fourth Proportional to 62.55, 94.25 and 51.95

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Solution

The fourth proportional to 62.55, 94.25 and 51.95 is: 78.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.55 : 94.25 = 51.95 : x
  2. Step 2: Convert to fraction form
    62.55/94.25 = 51.95/x
  3. Step 3: Cross multiply
    62.55x = 94.25 × 51.95
  4. Step 4: Simplify right side
    62.55x = 4,896.29
  5. Step 5: Solve for x
    x = 4,896.29/62.55
  6. Step 6: Final answer
    x = 78.28

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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.