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Finding the Fourth Proportional to 361.47, 541.27 and 303.56

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Solution

The fourth proportional to 361.47, 541.27 and 303.56 is: 454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.47 : 541.27 = 303.56 : x
  2. Step 2: Convert to fraction form
    361.47/541.27 = 303.56/x
  3. Step 3: Cross multiply
    361.47x = 541.27 × 303.56
  4. Step 4: Simplify right side
    361.47x = 164,307.92
  5. Step 5: Solve for x
    x = 164,307.92/361.47
  6. Step 6: Final answer
    x = 454.55

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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.