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Finding the Fourth Proportional to 63.44, 88.10 and 62.84

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Solution

The fourth proportional to 63.44, 88.10 and 62.84 is: 87.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.44 : 88.10 = 62.84 : x
  2. Step 2: Convert to fraction form
    63.44/88.10 = 62.84/x
  3. Step 3: Cross multiply
    63.44x = 88.10 × 62.84
  4. Step 4: Simplify right side
    63.44x = 5,536.20
  5. Step 5: Solve for x
    x = 5,536.20/63.44
  6. Step 6: Final answer
    x = 87.27

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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.