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Finding the Fourth Proportional to 598.40, 825.77 and 336.42

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Solution

The fourth proportional to 598.40, 825.77 and 336.42 is: 464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.40 : 825.77 = 336.42 : x
  2. Step 2: Convert to fraction form
    598.40/825.77 = 336.42/x
  3. Step 3: Cross multiply
    598.40x = 825.77 × 336.42
  4. Step 4: Simplify right side
    598.40x = 277,806.38
  5. Step 5: Solve for x
    x = 277,806.38/598.40
  6. Step 6: Final answer
    x = 464.25

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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.