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Finding the Fourth Proportional to 63.02, 94.55 and 26.95

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Solution

The fourth proportional to 63.02, 94.55 and 26.95 is: 40.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.02 : 94.55 = 26.95 : x
  2. Step 2: Convert to fraction form
    63.02/94.55 = 26.95/x
  3. Step 3: Cross multiply
    63.02x = 94.55 × 26.95
  4. Step 4: Simplify right side
    63.02x = 2,548.12
  5. Step 5: Solve for x
    x = 2,548.12/63.02
  6. Step 6: Final answer
    x = 40.43

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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.