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Finding the Fourth Proportional to 622.21, 933.30 and 237.46

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Solution

The fourth proportional to 622.21, 933.30 and 237.46 is: 356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.21 : 933.30 = 237.46 : x
  2. Step 2: Convert to fraction form
    622.21/933.30 = 237.46/x
  3. Step 3: Cross multiply
    622.21x = 933.30 × 237.46
  4. Step 4: Simplify right side
    622.21x = 221,621.42
  5. Step 5: Solve for x
    x = 221,621.42/622.21
  6. Step 6: Final answer
    x = 356.18

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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.