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Finding the Fourth Proportional to 843.04, 1,264.20 and 295.06

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Solution

The fourth proportional to 843.04, 1,264.20 and 295.06 is: 442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    843.04 : 1,264.20 = 295.06 : x
  2. Step 2: Convert to fraction form
    843.04/1,264.20 = 295.06/x
  3. Step 3: Cross multiply
    843.04x = 1,264.20 × 295.06
  4. Step 4: Simplify right side
    843.04x = 373,014.85
  5. Step 5: Solve for x
    x = 373,014.85/843.04
  6. Step 6: Final answer
    x = 442.46

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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.