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Finding the Fourth Proportional to 535.56, 801.48 and 361.68

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Solution

The fourth proportional to 535.56, 801.48 and 361.68 is: 541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.56 : 801.48 = 361.68 : x
  2. Step 2: Convert to fraction form
    535.56/801.48 = 361.68/x
  3. Step 3: Cross multiply
    535.56x = 801.48 × 361.68
  4. Step 4: Simplify right side
    535.56x = 289,879.29
  5. Step 5: Solve for x
    x = 289,879.29/535.56
  6. Step 6: Final answer
    x = 541.26

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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.