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Finding the Fourth Proportional to 603.44, 832.58 and 382.49

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Solution

The fourth proportional to 603.44, 832.58 and 382.49 is: 527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.44 : 832.58 = 382.49 : x
  2. Step 2: Convert to fraction form
    603.44/832.58 = 382.49/x
  3. Step 3: Cross multiply
    603.44x = 832.58 × 382.49
  4. Step 4: Simplify right side
    603.44x = 318,451.61
  5. Step 5: Solve for x
    x = 318,451.61/603.44
  6. Step 6: Final answer
    x = 527.73

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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.