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Finding the Fourth Proportional to 464.93, 697.90 and 349.71

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Solution

The fourth proportional to 464.93, 697.90 and 349.71 is: 524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.93 : 697.90 = 349.71 : x
  2. Step 2: Convert to fraction form
    464.93/697.90 = 349.71/x
  3. Step 3: Cross multiply
    464.93x = 697.90 × 349.71
  4. Step 4: Simplify right side
    464.93x = 244,062.61
  5. Step 5: Solve for x
    x = 244,062.61/464.93
  6. Step 6: Final answer
    x = 524.94

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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.