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Finding the Fourth Proportional to 360.20, 541.21 and 336.01

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Solution

The fourth proportional to 360.20, 541.21 and 336.01 is: 504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.20 : 541.21 = 336.01 : x
  2. Step 2: Convert to fraction form
    360.20/541.21 = 336.01/x
  3. Step 3: Cross multiply
    360.20x = 541.21 × 336.01
  4. Step 4: Simplify right side
    360.20x = 181,851.81
  5. Step 5: Solve for x
    x = 181,851.81/360.20
  6. Step 6: Final answer
    x = 504.87

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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.