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Finding the Fourth Proportional to 62.97, 93.68 and 62.30

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Solution

The fourth proportional to 62.97, 93.68 and 62.30 is: 92.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.97 : 93.68 = 62.30 : x
  2. Step 2: Convert to fraction form
    62.97/93.68 = 62.30/x
  3. Step 3: Cross multiply
    62.97x = 93.68 × 62.30
  4. Step 4: Simplify right side
    62.97x = 5,835.48
  5. Step 5: Solve for x
    x = 5,835.48/62.97
  6. Step 6: Final answer
    x = 92.67

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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.