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Finding the Fourth Proportional to 795.33, 1,192.74 and 448.59

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Solution

The fourth proportional to 795.33, 1,192.74 and 448.59 is: 672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.33 : 1,192.74 = 448.59 : x
  2. Step 2: Convert to fraction form
    795.33/1,192.74 = 448.59/x
  3. Step 3: Cross multiply
    795.33x = 1,192.74 × 448.59
  4. Step 4: Simplify right side
    795.33x = 535,051.24
  5. Step 5: Solve for x
    x = 535,051.24/795.33
  6. Step 6: Final answer
    x = 672.74

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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.