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Finding the Fourth Proportional to 602.86, 831.97 and 366.77

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Solution

The fourth proportional to 602.86, 831.97 and 366.77 is: 506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.86 : 831.97 = 366.77 : x
  2. Step 2: Convert to fraction form
    602.86/831.97 = 366.77/x
  3. Step 3: Cross multiply
    602.86x = 831.97 × 366.77
  4. Step 4: Simplify right side
    602.86x = 305,137.48
  5. Step 5: Solve for x
    x = 305,137.48/602.86
  6. Step 6: Final answer
    x = 506.15

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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.