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Finding the Fourth Proportional to 801.93, 1,106.67 and 452.62

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Solution

The fourth proportional to 801.93, 1,106.67 and 452.62 is: 624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    801.93 : 1,106.67 = 452.62 : x
  2. Step 2: Convert to fraction form
    801.93/1,106.67 = 452.62/x
  3. Step 3: Cross multiply
    801.93x = 1,106.67 × 452.62
  4. Step 4: Simplify right side
    801.93x = 500,898.06
  5. Step 5: Solve for x
    x = 500,898.06/801.93
  6. Step 6: Final answer
    x = 624.61

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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.