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Finding the Fourth Proportional to 62.22, 92.89 and 58.84

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Solution

The fourth proportional to 62.22, 92.89 and 58.84 is: 87.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.22 : 92.89 = 58.84 : x
  2. Step 2: Convert to fraction form
    62.22/92.89 = 58.84/x
  3. Step 3: Cross multiply
    62.22x = 92.89 × 58.84
  4. Step 4: Simplify right side
    62.22x = 5,465.65
  5. Step 5: Solve for x
    x = 5,465.65/62.22
  6. Step 6: Final answer
    x = 87.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.