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Finding the Fourth Proportional to 441.21, 607.95 and 301.35

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Solution

The fourth proportional to 441.21, 607.95 and 301.35 is: 415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.21 : 607.95 = 301.35 : x
  2. Step 2: Convert to fraction form
    441.21/607.95 = 301.35/x
  3. Step 3: Cross multiply
    441.21x = 607.95 × 301.35
  4. Step 4: Simplify right side
    441.21x = 183,205.73
  5. Step 5: Solve for x
    x = 183,205.73/441.21
  6. Step 6: Final answer
    x = 415.23

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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.