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Finding the Fourth Proportional to 1,202.44, 1,804.14 and 625.72

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Solution

The fourth proportional to 1,202.44, 1,804.14 and 625.72 is: 938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.44 : 1,804.14 = 625.72 : x
  2. Step 2: Convert to fraction form
    1,202.44/1,804.14 = 625.72/x
  3. Step 3: Cross multiply
    1,202.44x = 1,804.14 × 625.72
  4. Step 4: Simplify right side
    1,202.44x = 1,128,886.48
  5. Step 5: Solve for x
    x = 1,128,886.48/1,202.44
  6. Step 6: Final answer
    x = 938.83

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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.