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Finding the Fourth Proportional to 361.04, 541.48 and 104.48

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Solution

The fourth proportional to 361.04, 541.48 and 104.48 is: 156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.04 : 541.48 = 104.48 : x
  2. Step 2: Convert to fraction form
    361.04/541.48 = 104.48/x
  3. Step 3: Cross multiply
    361.04x = 541.48 × 104.48
  4. Step 4: Simplify right side
    361.04x = 56,573.83
  5. Step 5: Solve for x
    x = 56,573.83/361.04
  6. Step 6: Final answer
    x = 156.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.