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Finding the Fourth Proportional to 361.98, 540.01 and 357.37

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Solution

The fourth proportional to 361.98, 540.01 and 357.37 is: 533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.98 : 540.01 = 357.37 : x
  2. Step 2: Convert to fraction form
    361.98/540.01 = 357.37/x
  3. Step 3: Cross multiply
    361.98x = 540.01 × 357.37
  4. Step 4: Simplify right side
    361.98x = 192,983.37
  5. Step 5: Solve for x
    x = 192,983.37/361.98
  6. Step 6: Final answer
    x = 533.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.