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Finding the Fourth Proportional to 433.51, 598.02 and 286.09

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Solution

The fourth proportional to 433.51, 598.02 and 286.09 is: 394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.51 : 598.02 = 286.09 : x
  2. Step 2: Convert to fraction form
    433.51/598.02 = 286.09/x
  3. Step 3: Cross multiply
    433.51x = 598.02 × 286.09
  4. Step 4: Simplify right side
    433.51x = 171,087.54
  5. Step 5: Solve for x
    x = 171,087.54/433.51
  6. Step 6: Final answer
    x = 394.66

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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.