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Finding the Fourth Proportional to 345.36, 516.73 and 230.08

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Solution

The fourth proportional to 345.36, 516.73 and 230.08 is: 344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.36 : 516.73 = 230.08 : x
  2. Step 2: Convert to fraction form
    345.36/516.73 = 230.08/x
  3. Step 3: Cross multiply
    345.36x = 516.73 × 230.08
  4. Step 4: Simplify right side
    345.36x = 118,889.24
  5. Step 5: Solve for x
    x = 118,889.24/345.36
  6. Step 6: Final answer
    x = 344.25

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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.