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Finding the Fourth Proportional to 536.03, 739.66 and 303.15

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Solution

The fourth proportional to 536.03, 739.66 and 303.15 is: 418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.03 : 739.66 = 303.15 : x
  2. Step 2: Convert to fraction form
    536.03/739.66 = 303.15/x
  3. Step 3: Cross multiply
    536.03x = 739.66 × 303.15
  4. Step 4: Simplify right side
    536.03x = 224,224.99
  5. Step 5: Solve for x
    x = 224,224.99/536.03
  6. Step 6: Final answer
    x = 418.31

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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.