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Finding the Fourth Proportional to 602.28, 831.32 and 366.23

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Solution

The fourth proportional to 602.28, 831.32 and 366.23 is: 505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.28 : 831.32 = 366.23 : x
  2. Step 2: Convert to fraction form
    602.28/831.32 = 366.23/x
  3. Step 3: Cross multiply
    602.28x = 831.32 × 366.23
  4. Step 4: Simplify right side
    602.28x = 304,454.32
  5. Step 5: Solve for x
    x = 304,454.32/602.28
  6. Step 6: Final answer
    x = 505.50

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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.