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Finding the Fourth Proportional to 433.20, 597.80 and 236.71

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Solution

The fourth proportional to 433.20, 597.80 and 236.71 is: 326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.20 : 597.80 = 236.71 : x
  2. Step 2: Convert to fraction form
    433.20/597.80 = 236.71/x
  3. Step 3: Cross multiply
    433.20x = 597.80 × 236.71
  4. Step 4: Simplify right side
    433.20x = 141,505.24
  5. Step 5: Solve for x
    x = 141,505.24/433.20
  6. Step 6: Final answer
    x = 326.65

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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.