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Finding the Fourth Proportional to 340.07, 466.22 and 330.89

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Solution

The fourth proportional to 340.07, 466.22 and 330.89 is: 453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.07 : 466.22 = 330.89 : x
  2. Step 2: Convert to fraction form
    340.07/466.22 = 330.89/x
  3. Step 3: Cross multiply
    340.07x = 466.22 × 330.89
  4. Step 4: Simplify right side
    340.07x = 154,266.03
  5. Step 5: Solve for x
    x = 154,266.03/340.07
  6. Step 6: Final answer
    x = 453.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.