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Finding the Fourth Proportional to 722.59, 1,083.77 and 202.54

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Solution

The fourth proportional to 722.59, 1,083.77 and 202.54 is: 303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.59 : 1,083.77 = 202.54 : x
  2. Step 2: Convert to fraction form
    722.59/1,083.77 = 202.54/x
  3. Step 3: Cross multiply
    722.59x = 1,083.77 × 202.54
  4. Step 4: Simplify right side
    722.59x = 219,501.36
  5. Step 5: Solve for x
    x = 219,501.36/722.59
  6. Step 6: Final answer
    x = 303.77

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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.