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Finding the Fourth Proportional to 735.84, 1,104.84 and 448.56

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Solution

The fourth proportional to 735.84, 1,104.84 and 448.56 is: 673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.84 : 1,104.84 = 448.56 : x
  2. Step 2: Convert to fraction form
    735.84/1,104.84 = 448.56/x
  3. Step 3: Cross multiply
    735.84x = 1,104.84 × 448.56
  4. Step 4: Simplify right side
    735.84x = 495,587.03
  5. Step 5: Solve for x
    x = 495,587.03/735.84
  6. Step 6: Final answer
    x = 673.50

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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.