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Finding the Fourth Proportional to 623.45, 935.52 and 233.44

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Solution

The fourth proportional to 623.45, 935.52 and 233.44 is: 350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.45 : 935.52 = 233.44 : x
  2. Step 2: Convert to fraction form
    623.45/935.52 = 233.44/x
  3. Step 3: Cross multiply
    623.45x = 935.52 × 233.44
  4. Step 4: Simplify right side
    623.45x = 218,386.33
  5. Step 5: Solve for x
    x = 218,386.33/623.45
  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.