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Finding the Fourth Proportional to 433.22, 597.62 and 256.12

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Solution

The fourth proportional to 433.22, 597.62 and 256.12 is: 353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.22 : 597.62 = 256.12 : x
  2. Step 2: Convert to fraction form
    433.22/597.62 = 256.12/x
  3. Step 3: Cross multiply
    433.22x = 597.62 × 256.12
  4. Step 4: Simplify right side
    433.22x = 153,061.58
  5. Step 5: Solve for x
    x = 153,061.58/433.22
  6. Step 6: Final answer
    x = 353.32

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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.