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Finding the Fourth Proportional to 346.32, 479.91 and 333.54

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Solution

The fourth proportional to 346.32, 479.91 and 333.54 is: 462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.32 : 479.91 = 333.54 : x
  2. Step 2: Convert to fraction form
    346.32/479.91 = 333.54/x
  3. Step 3: Cross multiply
    346.32x = 479.91 × 333.54
  4. Step 4: Simplify right side
    346.32x = 160,069.18
  5. Step 5: Solve for x
    x = 160,069.18/346.32
  6. Step 6: Final answer
    x = 462.20

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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.