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Finding the Fourth Proportional to 536.12, 739.88 and 303.26

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Solution

The fourth proportional to 536.12, 739.88 and 303.26 is: 418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.12 : 739.88 = 303.26 : x
  2. Step 2: Convert to fraction form
    536.12/739.88 = 303.26/x
  3. Step 3: Cross multiply
    536.12x = 739.88 × 303.26
  4. Step 4: Simplify right side
    536.12x = 224,376.01
  5. Step 5: Solve for x
    x = 224,376.01/536.12
  6. Step 6: Final answer
    x = 418.52

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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.