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Finding the Fourth Proportional to 59.29, 81.29 and 58.27

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Solution

The fourth proportional to 59.29, 81.29 and 58.27 is: 79.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.29 : 81.29 = 58.27 : x
  2. Step 2: Convert to fraction form
    59.29/81.29 = 58.27/x
  3. Step 3: Cross multiply
    59.29x = 81.29 × 58.27
  4. Step 4: Simplify right side
    59.29x = 4,736.27
  5. Step 5: Solve for x
    x = 4,736.27/59.29
  6. Step 6: Final answer
    x = 79.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.