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Finding the Fourth Proportional to 361.10, 537.75 and 348.94

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Solution

The fourth proportional to 361.10, 537.75 and 348.94 is: 519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.10 : 537.75 = 348.94 : x
  2. Step 2: Convert to fraction form
    361.10/537.75 = 348.94/x
  3. Step 3: Cross multiply
    361.10x = 537.75 × 348.94
  4. Step 4: Simplify right side
    361.10x = 187,642.49
  5. Step 5: Solve for x
    x = 187,642.49/361.10
  6. Step 6: Final answer
    x = 519.64

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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.