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Finding the Fourth Proportional to 361.49, 501.51 and 348.53

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Solution

The fourth proportional to 361.49, 501.51 and 348.53 is: 483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.49 : 501.51 = 348.53 : x
  2. Step 2: Convert to fraction form
    361.49/501.51 = 348.53/x
  3. Step 3: Cross multiply
    361.49x = 501.51 × 348.53
  4. Step 4: Simplify right side
    361.49x = 174,790.08
  5. Step 5: Solve for x
    x = 174,790.08/361.49
  6. Step 6: Final answer
    x = 483.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.