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Finding the Fourth Proportional to 239.24, 330.04 and 190.19

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Solution

The fourth proportional to 239.24, 330.04 and 190.19 is: 262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.24 : 330.04 = 190.19 : x
  2. Step 2: Convert to fraction form
    239.24/330.04 = 190.19/x
  3. Step 3: Cross multiply
    239.24x = 330.04 × 190.19
  4. Step 4: Simplify right side
    239.24x = 62,770.31
  5. Step 5: Solve for x
    x = 62,770.31/239.24
  6. Step 6: Final answer
    x = 262.37

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.