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Finding the Fourth Proportional to 603.33, 832.38 and 382.07

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Solution

The fourth proportional to 603.33, 832.38 and 382.07 is: 527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.33 : 832.38 = 382.07 : x
  2. Step 2: Convert to fraction form
    603.33/832.38 = 382.07/x
  3. Step 3: Cross multiply
    603.33x = 832.38 × 382.07
  4. Step 4: Simplify right side
    603.33x = 318,023.26
  5. Step 5: Solve for x
    x = 318,023.26/603.33
  6. Step 6: Final answer
    x = 527.11

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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.