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Finding the Fourth Proportional to 433.05, 597.75 and 322.89

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Solution

The fourth proportional to 433.05, 597.75 and 322.89 is: 445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.05 : 597.75 = 322.89 : x
  2. Step 2: Convert to fraction form
    433.05/597.75 = 322.89/x
  3. Step 3: Cross multiply
    433.05x = 597.75 × 322.89
  4. Step 4: Simplify right side
    433.05x = 193,007.50
  5. Step 5: Solve for x
    x = 193,007.50/433.05
  6. Step 6: Final answer
    x = 445.69

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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.