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Finding the Fourth Proportional to 349.72, 482.36 and 333.32

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Solution

The fourth proportional to 349.72, 482.36 and 333.32 is: 459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.72 : 482.36 = 333.32 : x
  2. Step 2: Convert to fraction form
    349.72/482.36 = 333.32/x
  3. Step 3: Cross multiply
    349.72x = 482.36 × 333.32
  4. Step 4: Simplify right side
    349.72x = 160,776.16
  5. Step 5: Solve for x
    x = 160,776.16/349.72
  6. Step 6: Final answer
    x = 459.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.