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Finding the Fourth Proportional to 1,052.68, 1,452.66 and 580.57

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Solution

The fourth proportional to 1,052.68, 1,452.66 and 580.57 is: 801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.68 : 1,452.66 = 580.57 : x
  2. Step 2: Convert to fraction form
    1,052.68/1,452.66 = 580.57/x
  3. Step 3: Cross multiply
    1,052.68x = 1,452.66 × 580.57
  4. Step 4: Simplify right side
    1,052.68x = 843,370.82
  5. Step 5: Solve for x
    x = 843,370.82/1,052.68
  6. Step 6: Final answer
    x = 801.17

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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.