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Finding the Fourth Proportional to 801.83, 1,202.61 and 570.02

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Solution

The fourth proportional to 801.83, 1,202.61 and 570.02 is: 854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801.83 : 1,202.61 = 570.02 : x
  2. Step 2: Convert to fraction form
    801.83/1,202.61 = 570.02/x
  3. Step 3: Cross multiply
    801.83x = 1,202.61 × 570.02
  4. Step 4: Simplify right side
    801.83x = 685,511.75
  5. Step 5: Solve for x
    x = 685,511.75/801.83
  6. Step 6: Final answer
    x = 854.93

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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.