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Finding the Fourth Proportional to 361.14, 498.60 and 250.56

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Solution

The fourth proportional to 361.14, 498.60 and 250.56 is: 345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.14 : 498.60 = 250.56 : x
  2. Step 2: Convert to fraction form
    361.14/498.60 = 250.56/x
  3. Step 3: Cross multiply
    361.14x = 498.60 × 250.56
  4. Step 4: Simplify right side
    361.14x = 124,929.22
  5. Step 5: Solve for x
    x = 124,929.22/361.14
  6. Step 6: Final answer
    x = 345.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.