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Finding the Fourth Proportional to 464.07, 695.78 and 232.79

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Solution

The fourth proportional to 464.07, 695.78 and 232.79 is: 349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.07 : 695.78 = 232.79 : x
  2. Step 2: Convert to fraction form
    464.07/695.78 = 232.79/x
  3. Step 3: Cross multiply
    464.07x = 695.78 × 232.79
  4. Step 4: Simplify right side
    464.07x = 161,972.36
  5. Step 5: Solve for x
    x = 161,972.36/464.07
  6. Step 6: Final answer
    x = 349.02

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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.