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Finding the Fourth Proportional to 500.33, 749.30 and 268.65

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Solution

The fourth proportional to 500.33, 749.30 and 268.65 is: 402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.33 : 749.30 = 268.65 : x
  2. Step 2: Convert to fraction form
    500.33/749.30 = 268.65/x
  3. Step 3: Cross multiply
    500.33x = 749.30 × 268.65
  4. Step 4: Simplify right side
    500.33x = 201,298.10
  5. Step 5: Solve for x
    x = 201,298.10/500.33
  6. Step 6: Final answer
    x = 402.33

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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.