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Finding the Fourth Proportional to 441.22, 661.99 and 360.58

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Solution

The fourth proportional to 441.22, 661.99 and 360.58 is: 541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.22 : 661.99 = 360.58 : x
  2. Step 2: Convert to fraction form
    441.22/661.99 = 360.58/x
  3. Step 3: Cross multiply
    441.22x = 661.99 × 360.58
  4. Step 4: Simplify right side
    441.22x = 238,700.35
  5. Step 5: Solve for x
    x = 238,700.35/441.22
  6. Step 6: Final answer
    x = 541.00

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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.