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Finding the Fourth Proportional to 384.06, 573.12 and 343.06

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Solution

The fourth proportional to 384.06, 573.12 and 343.06 is: 511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.06 : 573.12 = 343.06 : x
  2. Step 2: Convert to fraction form
    384.06/573.12 = 343.06/x
  3. Step 3: Cross multiply
    384.06x = 573.12 × 343.06
  4. Step 4: Simplify right side
    384.06x = 196,614.55
  5. Step 5: Solve for x
    x = 196,614.55/384.06
  6. Step 6: Final answer
    x = 511.94

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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.