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Finding the Fourth Proportional to 336.04, 503.81 and 130.43

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Solution

The fourth proportional to 336.04, 503.81 and 130.43 is: 195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.04 : 503.81 = 130.43 : x
  2. Step 2: Convert to fraction form
    336.04/503.81 = 130.43/x
  3. Step 3: Cross multiply
    336.04x = 503.81 × 130.43
  4. Step 4: Simplify right side
    336.04x = 65,711.94
  5. Step 5: Solve for x
    x = 65,711.94/336.04
  6. Step 6: Final answer
    x = 195.55

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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.