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Finding the Fourth Proportional to 361.51, 499.45 and 237.12

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Solution

The fourth proportional to 361.51, 499.45 and 237.12 is: 327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.51 : 499.45 = 237.12 : x
  2. Step 2: Convert to fraction form
    361.51/499.45 = 237.12/x
  3. Step 3: Cross multiply
    361.51x = 499.45 × 237.12
  4. Step 4: Simplify right side
    361.51x = 118,429.58
  5. Step 5: Solve for x
    x = 118,429.58/361.51
  6. Step 6: Final answer
    x = 327.60

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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.