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Finding the Fourth Proportional to 623.46, 935.16 and 233.54

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Solution

The fourth proportional to 623.46, 935.16 and 233.54 is: 350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.46 : 935.16 = 233.54 : x
  2. Step 2: Convert to fraction form
    623.46/935.16 = 233.54/x
  3. Step 3: Cross multiply
    623.46x = 935.16 × 233.54
  4. Step 4: Simplify right side
    623.46x = 218,392.59
  5. Step 5: Solve for x
    x = 218,392.59/623.46
  6. Step 6: Final answer
    x = 350.29

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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.