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Finding the Fourth Proportional to 836.04, 1,255.45 and 802.93

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Solution

The fourth proportional to 836.04, 1,255.45 and 802.93 is: 1,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.04 : 1,255.45 = 802.93 : x
  2. Step 2: Convert to fraction form
    836.04/1,255.45 = 802.93/x
  3. Step 3: Cross multiply
    836.04x = 1,255.45 × 802.93
  4. Step 4: Simplify right side
    836.04x = 1,008,038.47
  5. Step 5: Solve for x
    x = 1,008,038.47/836.04
  6. Step 6: Final answer
    x = 1,205.73

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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.