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Finding the Fourth Proportional to 1,000.82, 1,501.00 and 270.41

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Solution

The fourth proportional to 1,000.82, 1,501.00 and 270.41 is: 405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.82 : 1,501.00 = 270.41 : x
  2. Step 2: Convert to fraction form
    1,000.82/1,501.00 = 270.41/x
  3. Step 3: Cross multiply
    1,000.82x = 1,501.00 × 270.41
  4. Step 4: Simplify right side
    1,000.82x = 405,877.23
  5. Step 5: Solve for x
    x = 405,877.23/1,000.82
  6. Step 6: Final answer
    x = 405.54

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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.