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Finding the Fourth Proportional to 802.39, 1,196.55 and 795.09

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Solution

The fourth proportional to 802.39, 1,196.55 and 795.09 is: 1,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.39 : 1,196.55 = 795.09 : x
  2. Step 2: Convert to fraction form
    802.39/1,196.55 = 795.09/x
  3. Step 3: Cross multiply
    802.39x = 1,196.55 × 795.09
  4. Step 4: Simplify right side
    802.39x = 951,364.94
  5. Step 5: Solve for x
    x = 951,364.94/802.39
  6. Step 6: Final answer
    x = 1,185.66

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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.