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Finding the Fourth Proportional to 464.72, 694.51 and 372.99

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Solution

The fourth proportional to 464.72, 694.51 and 372.99 is: 557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.72 : 694.51 = 372.99 : x
  2. Step 2: Convert to fraction form
    464.72/694.51 = 372.99/x
  3. Step 3: Cross multiply
    464.72x = 694.51 × 372.99
  4. Step 4: Simplify right side
    464.72x = 259,045.28
  5. Step 5: Solve for x
    x = 259,045.28/464.72
  6. Step 6: Final answer
    x = 557.42

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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.