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Finding the Fourth Proportional to 345.68, 480.14 and 335.96

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Solution

The fourth proportional to 345.68, 480.14 and 335.96 is: 466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.68 : 480.14 = 335.96 : x
  2. Step 2: Convert to fraction form
    345.68/480.14 = 335.96/x
  3. Step 3: Cross multiply
    345.68x = 480.14 × 335.96
  4. Step 4: Simplify right side
    345.68x = 161,303.75
  5. Step 5: Solve for x
    x = 161,303.75/345.68
  6. Step 6: Final answer
    x = 466.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.