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Finding the Fourth Proportional to 60.70, 84.25 and 59.26

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Solution

The fourth proportional to 60.70, 84.25 and 59.26 is: 82.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.70 : 84.25 = 59.26 : x
  2. Step 2: Convert to fraction form
    60.70/84.25 = 59.26/x
  3. Step 3: Cross multiply
    60.70x = 84.25 × 59.26
  4. Step 4: Simplify right side
    60.70x = 4,992.23
  5. Step 5: Solve for x
    x = 4,992.23/60.70
  6. Step 6: Final answer
    x = 82.25

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.