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Finding the Fourth Proportional to 601.92, 831.62 and 454.29

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Solution

The fourth proportional to 601.92, 831.62 and 454.29 is: 627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.92 : 831.62 = 454.29 : x
  2. Step 2: Convert to fraction form
    601.92/831.62 = 454.29/x
  3. Step 3: Cross multiply
    601.92x = 831.62 × 454.29
  4. Step 4: Simplify right side
    601.92x = 377,794.38
  5. Step 5: Solve for x
    x = 377,794.38/601.92
  6. Step 6: Final answer
    x = 627.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.