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Finding the Fourth Proportional to 699.08, 1,044.14 and 633.09

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Solution

The fourth proportional to 699.08, 1,044.14 and 633.09 is: 945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.08 : 1,044.14 = 633.09 : x
  2. Step 2: Convert to fraction form
    699.08/1,044.14 = 633.09/x
  3. Step 3: Cross multiply
    699.08x = 1,044.14 × 633.09
  4. Step 4: Simplify right side
    699.08x = 661,036.18
  5. Step 5: Solve for x
    x = 661,036.18/699.08
  6. Step 6: Final answer
    x = 945.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.