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Finding the Fourth Proportional to 341.33, 473.20 and 322.85

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Solution

The fourth proportional to 341.33, 473.20 and 322.85 is: 447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.33 : 473.20 = 322.85 : x
  2. Step 2: Convert to fraction form
    341.33/473.20 = 322.85/x
  3. Step 3: Cross multiply
    341.33x = 473.20 × 322.85
  4. Step 4: Simplify right side
    341.33x = 152,772.62
  5. Step 5: Solve for x
    x = 152,772.62/341.33
  6. Step 6: Final answer
    x = 447.58

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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.