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Finding the Fourth Proportional to 433.41, 597.28 and 316.77

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Solution

The fourth proportional to 433.41, 597.28 and 316.77 is: 436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.41 : 597.28 = 316.77 : x
  2. Step 2: Convert to fraction form
    433.41/597.28 = 316.77/x
  3. Step 3: Cross multiply
    433.41x = 597.28 × 316.77
  4. Step 4: Simplify right side
    433.41x = 189,200.39
  5. Step 5: Solve for x
    x = 189,200.39/433.41
  6. Step 6: Final answer
    x = 436.54

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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.