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Finding the Fourth Proportional to 603, 831.54 and 366.99

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Solution

The fourth proportional to 603, 831.54 and 366.99 is: 506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603 : 831.54 = 366.99 : x
  2. Step 2: Convert to fraction form
    603/831.54 = 366.99/x
  3. Step 3: Cross multiply
    603x = 831.54 × 366.99
  4. Step 4: Simplify right side
    603x = 305,165.12
  5. Step 5: Solve for x
    x = 305,165.12/603
  6. Step 6: Final answer
    x = 506.08

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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.