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Finding the Fourth Proportional to 603.11, 832.15 and 367.18

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Solution

The fourth proportional to 603.11, 832.15 and 367.18 is: 506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.11 : 832.15 = 367.18 : x
  2. Step 2: Convert to fraction form
    603.11/832.15 = 367.18/x
  3. Step 3: Cross multiply
    603.11x = 832.15 × 367.18
  4. Step 4: Simplify right side
    603.11x = 305,547.22
  5. Step 5: Solve for x
    x = 305,547.22/603.11
  6. Step 6: Final answer
    x = 506.62

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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.