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Finding the Fourth Proportional to 603.02, 831.92 and 366.98

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Solution

The fourth proportional to 603.02, 831.92 and 366.98 is: 506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.02 : 831.92 = 366.98 : x
  2. Step 2: Convert to fraction form
    603.02/831.92 = 366.98/x
  3. Step 3: Cross multiply
    603.02x = 831.92 × 366.98
  4. Step 4: Simplify right side
    603.02x = 305,292.01
  5. Step 5: Solve for x
    x = 305,292.01/603.02
  6. Step 6: Final answer
    x = 506.28

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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.