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Finding the Fourth Proportional to 365.28, 550.76 and 335.04

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Solution

The fourth proportional to 365.28, 550.76 and 335.04 is: 505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.28 : 550.76 = 335.04 : x
  2. Step 2: Convert to fraction form
    365.28/550.76 = 335.04/x
  3. Step 3: Cross multiply
    365.28x = 550.76 × 335.04
  4. Step 4: Simplify right side
    365.28x = 184,526.63
  5. Step 5: Solve for x
    x = 184,526.63/365.28
  6. Step 6: Final answer
    x = 505.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.