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Finding the Fourth Proportional to 536.35, 739.31 and 437.94

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Solution

The fourth proportional to 536.35, 739.31 and 437.94 is: 603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.35 : 739.31 = 437.94 : x
  2. Step 2: Convert to fraction form
    536.35/739.31 = 437.94/x
  3. Step 3: Cross multiply
    536.35x = 739.31 × 437.94
  4. Step 4: Simplify right side
    536.35x = 323,773.42
  5. Step 5: Solve for x
    x = 323,773.42/536.35
  6. Step 6: Final answer
    x = 603.66

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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.