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Finding the Fourth Proportional to 1,483.85, 2,226.54 and 662.67

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Solution

The fourth proportional to 1,483.85, 2,226.54 and 662.67 is: 994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.85 : 2,226.54 = 662.67 : x
  2. Step 2: Convert to fraction form
    1,483.85/2,226.54 = 662.67/x
  3. Step 3: Cross multiply
    1,483.85x = 2,226.54 × 662.67
  4. Step 4: Simplify right side
    1,483.85x = 1,475,450.13
  5. Step 5: Solve for x
    x = 1,475,450.13/1,483.85
  6. Step 6: Final answer
    x = 994.34

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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.