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Finding the Fourth Proportional to 603.09, 832.34 and 437.85

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Solution

The fourth proportional to 603.09, 832.34 and 437.85 is: 604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.09 : 832.34 = 437.85 : x
  2. Step 2: Convert to fraction form
    603.09/832.34 = 437.85/x
  3. Step 3: Cross multiply
    603.09x = 832.34 × 437.85
  4. Step 4: Simplify right side
    603.09x = 364,441.16
  5. Step 5: Solve for x
    x = 364,441.16/603.09
  6. Step 6: Final answer
    x = 604.29

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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.