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Finding the Fourth Proportional to 59.25, 82.32 and 58.51

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Solution

The fourth proportional to 59.25, 82.32 and 58.51 is: 81.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.25 : 82.32 = 58.51 : x
  2. Step 2: Convert to fraction form
    59.25/82.32 = 58.51/x
  3. Step 3: Cross multiply
    59.25x = 82.32 × 58.51
  4. Step 4: Simplify right side
    59.25x = 4,816.54
  5. Step 5: Solve for x
    x = 4,816.54/59.25
  6. Step 6: Final answer
    x = 81.29

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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.