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Finding the Fourth Proportional to 448.63, 675.59 and 333.89

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Solution

The fourth proportional to 448.63, 675.59 and 333.89 is: 502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.63 : 675.59 = 333.89 : x
  2. Step 2: Convert to fraction form
    448.63/675.59 = 333.89/x
  3. Step 3: Cross multiply
    448.63x = 675.59 × 333.89
  4. Step 4: Simplify right side
    448.63x = 225,572.75
  5. Step 5: Solve for x
    x = 225,572.75/448.63
  6. Step 6: Final answer
    x = 502.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.