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Finding the Fourth Proportional to 622.65, 933.67 and 362.73

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Solution

The fourth proportional to 622.65, 933.67 and 362.73 is: 543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.65 : 933.67 = 362.73 : x
  2. Step 2: Convert to fraction form
    622.65/933.67 = 362.73/x
  3. Step 3: Cross multiply
    622.65x = 933.67 × 362.73
  4. Step 4: Simplify right side
    622.65x = 338,670.12
  5. Step 5: Solve for x
    x = 338,670.12/622.65
  6. Step 6: Final answer
    x = 543.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.