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Finding the Fourth Proportional to 603.31, 832.70 and 367.30

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Solution

The fourth proportional to 603.31, 832.70 and 367.30 is: 506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.31 : 832.70 = 367.30 : x
  2. Step 2: Convert to fraction form
    603.31/832.70 = 367.30/x
  3. Step 3: Cross multiply
    603.31x = 832.70 × 367.30
  4. Step 4: Simplify right side
    603.31x = 305,850.71
  5. Step 5: Solve for x
    x = 305,850.71/603.31
  6. Step 6: Final answer
    x = 506.95

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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.