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Finding the Fourth Proportional to 624.02, 935.73 and 191.09

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Solution

The fourth proportional to 624.02, 935.73 and 191.09 is: 286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.02 : 935.73 = 191.09 : x
  2. Step 2: Convert to fraction form
    624.02/935.73 = 191.09/x
  3. Step 3: Cross multiply
    624.02x = 935.73 × 191.09
  4. Step 4: Simplify right side
    624.02x = 178,808.65
  5. Step 5: Solve for x
    x = 178,808.65/624.02
  6. Step 6: Final answer
    x = 286.54

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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.