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Finding the Fourth Proportional to 1,033.43, 1,550.40 and 303.01

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Solution

The fourth proportional to 1,033.43, 1,550.40 and 303.01 is: 454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.43 : 1,550.40 = 303.01 : x
  2. Step 2: Convert to fraction form
    1,033.43/1,550.40 = 303.01/x
  3. Step 3: Cross multiply
    1,033.43x = 1,550.40 × 303.01
  4. Step 4: Simplify right side
    1,033.43x = 469,785.19
  5. Step 5: Solve for x
    x = 469,785.19/1,033.43
  6. Step 6: Final answer
    x = 454.59

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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.