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Finding the Fourth Proportional to 1,033.98, 1,550.98 and 303.55

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Solution

The fourth proportional to 1,033.98, 1,550.98 and 303.55 is: 455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.98 : 1,550.98 = 303.55 : x
  2. Step 2: Convert to fraction form
    1,033.98/1,550.98 = 303.55/x
  3. Step 3: Cross multiply
    1,033.98x = 1,550.98 × 303.55
  4. Step 4: Simplify right side
    1,033.98x = 470,796.48
  5. Step 5: Solve for x
    x = 470,796.48/1,033.98
  6. Step 6: Final answer
    x = 455.32

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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.