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Finding the Fourth Proportional to 887.22, 1,330.83 and 696.06

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Solution

The fourth proportional to 887.22, 1,330.83 and 696.06 is: 1,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.22 : 1,330.83 = 696.06 : x
  2. Step 2: Convert to fraction form
    887.22/1,330.83 = 696.06/x
  3. Step 3: Cross multiply
    887.22x = 1,330.83 × 696.06
  4. Step 4: Simplify right side
    887.22x = 926,337.53
  5. Step 5: Solve for x
    x = 926,337.53/887.22
  6. Step 6: Final answer
    x = 1,044.09

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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.