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Finding the Fourth Proportional to 471.69, 704.03 and 433.22

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Solution

The fourth proportional to 471.69, 704.03 and 433.22 is: 646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.69 : 704.03 = 433.22 : x
  2. Step 2: Convert to fraction form
    471.69/704.03 = 433.22/x
  3. Step 3: Cross multiply
    471.69x = 704.03 × 433.22
  4. Step 4: Simplify right side
    471.69x = 304,994.19
  5. Step 5: Solve for x
    x = 304,994.19/471.69
  6. Step 6: Final answer
    x = 646.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.