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Finding the Fourth Proportional to 1,048.11, 1,446.38 and 576.02

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Solution

The fourth proportional to 1,048.11, 1,446.38 and 576.02 is: 794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.11 : 1,446.38 = 576.02 : x
  2. Step 2: Convert to fraction form
    1,048.11/1,446.38 = 576.02/x
  3. Step 3: Cross multiply
    1,048.11x = 1,446.38 × 576.02
  4. Step 4: Simplify right side
    1,048.11x = 833,143.81
  5. Step 5: Solve for x
    x = 833,143.81/1,048.11
  6. Step 6: Final answer
    x = 794.90

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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.