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Finding the Fourth Proportional to 464.10, 697.05 and 281.85

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Solution

The fourth proportional to 464.10, 697.05 and 281.85 is: 423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.10 : 697.05 = 281.85 : x
  2. Step 2: Convert to fraction form
    464.10/697.05 = 281.85/x
  3. Step 3: Cross multiply
    464.10x = 697.05 × 281.85
  4. Step 4: Simplify right side
    464.10x = 196,463.54
  5. Step 5: Solve for x
    x = 196,463.54/464.10
  6. Step 6: Final answer
    x = 423.32

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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.