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Finding the Fourth Proportional to 608.12, 911.88 and 364.76

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Solution

The fourth proportional to 608.12, 911.88 and 364.76 is: 546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.12 : 911.88 = 364.76 : x
  2. Step 2: Convert to fraction form
    608.12/911.88 = 364.76/x
  3. Step 3: Cross multiply
    608.12x = 911.88 × 364.76
  4. Step 4: Simplify right side
    608.12x = 332,617.35
  5. Step 5: Solve for x
    x = 332,617.35/608.12
  6. Step 6: Final answer
    x = 546.96

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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.