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Finding the Fourth Proportional to 1,066.68, 1,601.52 and 604.92

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Solution

The fourth proportional to 1,066.68, 1,601.52 and 604.92 is: 908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.68 : 1,601.52 = 604.92 : x
  2. Step 2: Convert to fraction form
    1,066.68/1,601.52 = 604.92/x
  3. Step 3: Cross multiply
    1,066.68x = 1,601.52 × 604.92
  4. Step 4: Simplify right side
    1,066.68x = 968,791.48
  5. Step 5: Solve for x
    x = 968,791.48/1,066.68
  6. Step 6: Final answer
    x = 908.23

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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.