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Finding the Fourth Proportional to 333.76, 460.88 and 322.88

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Solution

The fourth proportional to 333.76, 460.88 and 322.88 is: 445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.76 : 460.88 = 322.88 : x
  2. Step 2: Convert to fraction form
    333.76/460.88 = 322.88/x
  3. Step 3: Cross multiply
    333.76x = 460.88 × 322.88
  4. Step 4: Simplify right side
    333.76x = 148,808.93
  5. Step 5: Solve for x
    x = 148,808.93/333.76
  6. Step 6: Final answer
    x = 445.86

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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.