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Finding the Fourth Proportional to 349.16, 479.82 and 333.10

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Solution

The fourth proportional to 349.16, 479.82 and 333.10 is: 457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.16 : 479.82 = 333.10 : x
  2. Step 2: Convert to fraction form
    349.16/479.82 = 333.10/x
  3. Step 3: Cross multiply
    349.16x = 479.82 × 333.10
  4. Step 4: Simplify right side
    349.16x = 159,828.04
  5. Step 5: Solve for x
    x = 159,828.04/349.16
  6. Step 6: Final answer
    x = 457.75

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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.