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Finding the Fourth Proportional to 239.41, 330.27 and 146.08

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Solution

The fourth proportional to 239.41, 330.27 and 146.08 is: 201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.41 : 330.27 = 146.08 : x
  2. Step 2: Convert to fraction form
    239.41/330.27 = 146.08/x
  3. Step 3: Cross multiply
    239.41x = 330.27 × 146.08
  4. Step 4: Simplify right side
    239.41x = 48,244.19
  5. Step 5: Solve for x
    x = 48,244.19/239.41
  6. Step 6: Final answer
    x = 201.52

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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.