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Finding the Fourth Proportional to 58.33, 87.52 and 25.83

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Solution

The fourth proportional to 58.33, 87.52 and 25.83 is: 38.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.33 : 87.52 = 25.83 : x
  2. Step 2: Convert to fraction form
    58.33/87.52 = 25.83/x
  3. Step 3: Cross multiply
    58.33x = 87.52 × 25.83
  4. Step 4: Simplify right side
    58.33x = 2,260.64
  5. Step 5: Solve for x
    x = 2,260.64/58.33
  6. Step 6: Final answer
    x = 38.76

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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.