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Finding the Fourth Proportional to 361.59, 498.84 and 230.37

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Solution

The fourth proportional to 361.59, 498.84 and 230.37 is: 317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.59 : 498.84 = 230.37 : x
  2. Step 2: Convert to fraction form
    361.59/498.84 = 230.37/x
  3. Step 3: Cross multiply
    361.59x = 498.84 × 230.37
  4. Step 4: Simplify right side
    361.59x = 114,917.77
  5. Step 5: Solve for x
    x = 114,917.77/361.59
  6. Step 6: Final answer
    x = 317.81

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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.