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Finding the Fourth Proportional to 597.77, 825.55 and 411.74

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Solution

The fourth proportional to 597.77, 825.55 and 411.74 is: 568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.77 : 825.55 = 411.74 : x
  2. Step 2: Convert to fraction form
    597.77/825.55 = 411.74/x
  3. Step 3: Cross multiply
    597.77x = 825.55 × 411.74
  4. Step 4: Simplify right side
    597.77x = 339,911.96
  5. Step 5: Solve for x
    x = 339,911.96/597.77
  6. Step 6: Final answer
    x = 568.63

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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.