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Finding the Fourth Proportional to 341.22, 469.86 and 303.96

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Solution

The fourth proportional to 341.22, 469.86 and 303.96 is: 418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.22 : 469.86 = 303.96 : x
  2. Step 2: Convert to fraction form
    341.22/469.86 = 303.96/x
  3. Step 3: Cross multiply
    341.22x = 469.86 × 303.96
  4. Step 4: Simplify right side
    341.22x = 142,818.65
  5. Step 5: Solve for x
    x = 142,818.65/341.22
  6. Step 6: Final answer
    x = 418.55

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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.