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Finding the Fourth Proportional to 1,204.01, 1,659.71 and 941.57

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Solution

The fourth proportional to 1,204.01, 1,659.71 and 941.57 is: 1,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.01 : 1,659.71 = 941.57 : x
  2. Step 2: Convert to fraction form
    1,204.01/1,659.71 = 941.57/x
  3. Step 3: Cross multiply
    1,204.01x = 1,659.71 × 941.57
  4. Step 4: Simplify right side
    1,204.01x = 1,562,727.20
  5. Step 5: Solve for x
    x = 1,562,727.20/1,204.01
  6. Step 6: Final answer
    x = 1,297.94

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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.