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Finding the Fourth Proportional to 464.76, 699.89 and 404.62

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Solution

The fourth proportional to 464.76, 699.89 and 404.62 is: 609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.76 : 699.89 = 404.62 : x
  2. Step 2: Convert to fraction form
    464.76/699.89 = 404.62/x
  3. Step 3: Cross multiply
    464.76x = 699.89 × 404.62
  4. Step 4: Simplify right side
    464.76x = 283,189.49
  5. Step 5: Solve for x
    x = 283,189.49/464.76
  6. Step 6: Final answer
    x = 609.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.