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Finding the Fourth Proportional to 433.33, 598.17 and 276.19

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Solution

The fourth proportional to 433.33, 598.17 and 276.19 is: 381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.33 : 598.17 = 276.19 : x
  2. Step 2: Convert to fraction form
    433.33/598.17 = 276.19/x
  3. Step 3: Cross multiply
    433.33x = 598.17 × 276.19
  4. Step 4: Simplify right side
    433.33x = 165,208.57
  5. Step 5: Solve for x
    x = 165,208.57/433.33
  6. Step 6: Final answer
    x = 381.25

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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.