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Finding the Fourth Proportional to 361.50, 543.45 and 334.77

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Solution

The fourth proportional to 361.50, 543.45 and 334.77 is: 503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.50 : 543.45 = 334.77 : x
  2. Step 2: Convert to fraction form
    361.50/543.45 = 334.77/x
  3. Step 3: Cross multiply
    361.50x = 543.45 × 334.77
  4. Step 4: Simplify right side
    361.50x = 181,930.76
  5. Step 5: Solve for x
    x = 181,930.76/361.50
  6. Step 6: Final answer
    x = 503.27

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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.