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Finding the Fourth Proportional to 435.03, 599.77 and 303.81

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Solution

The fourth proportional to 435.03, 599.77 and 303.81 is: 418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.03 : 599.77 = 303.81 : x
  2. Step 2: Convert to fraction form
    435.03/599.77 = 303.81/x
  3. Step 3: Cross multiply
    435.03x = 599.77 × 303.81
  4. Step 4: Simplify right side
    435.03x = 182,216.12
  5. Step 5: Solve for x
    x = 182,216.12/435.03
  6. Step 6: Final answer
    x = 418.86

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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.