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Finding the Fourth Proportional to 239.64, 357.01 and 230.93

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Solution

The fourth proportional to 239.64, 357.01 and 230.93 is: 344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.64 : 357.01 = 230.93 : x
  2. Step 2: Convert to fraction form
    239.64/357.01 = 230.93/x
  3. Step 3: Cross multiply
    239.64x = 357.01 × 230.93
  4. Step 4: Simplify right side
    239.64x = 82,443.16
  5. Step 5: Solve for x
    x = 82,443.16/239.64
  6. Step 6: Final answer
    x = 344.03

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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.