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Finding the Fourth Proportional to 433.16, 597.38 and 385.96

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Solution

The fourth proportional to 433.16, 597.38 and 385.96 is: 532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.16 : 597.38 = 385.96 : x
  2. Step 2: Convert to fraction form
    433.16/597.38 = 385.96/x
  3. Step 3: Cross multiply
    433.16x = 597.38 × 385.96
  4. Step 4: Simplify right side
    433.16x = 230,564.78
  5. Step 5: Solve for x
    x = 230,564.78/433.16
  6. Step 6: Final answer
    x = 532.29

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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.