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Finding the Fourth Proportional to 336.04, 503.42 and 191.32

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Solution

The fourth proportional to 336.04, 503.42 and 191.32 is: 286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.04 : 503.42 = 191.32 : x
  2. Step 2: Convert to fraction form
    336.04/503.42 = 191.32/x
  3. Step 3: Cross multiply
    336.04x = 503.42 × 191.32
  4. Step 4: Simplify right side
    336.04x = 96,314.31
  5. Step 5: Solve for x
    x = 96,314.31/336.04
  6. Step 6: Final answer
    x = 286.62

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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.