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Finding the Fourth Proportional to 798.03, 1,101.23 and 448.77

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Solution

The fourth proportional to 798.03, 1,101.23 and 448.77 is: 619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.03 : 1,101.23 = 448.77 : x
  2. Step 2: Convert to fraction form
    798.03/1,101.23 = 448.77/x
  3. Step 3: Cross multiply
    798.03x = 1,101.23 × 448.77
  4. Step 4: Simplify right side
    798.03x = 494,196.74
  5. Step 5: Solve for x
    x = 494,196.74/798.03
  6. Step 6: Final answer
    x = 619.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.