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Finding the Fourth Proportional to 1,010.52, 1,518.09 and 969.06

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Solution

The fourth proportional to 1,010.52, 1,518.09 and 969.06 is: 1,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.52 : 1,518.09 = 969.06 : x
  2. Step 2: Convert to fraction form
    1,010.52/1,518.09 = 969.06/x
  3. Step 3: Cross multiply
    1,010.52x = 1,518.09 × 969.06
  4. Step 4: Simplify right side
    1,010.52x = 1,471,120.30
  5. Step 5: Solve for x
    x = 1,471,120.30/1,010.52
  6. Step 6: Final answer
    x = 1,455.81

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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.