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Finding the Fourth Proportional to 432.80, 597.26 and 246.28

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Solution

The fourth proportional to 432.80, 597.26 and 246.28 is: 339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.80 : 597.26 = 246.28 : x
  2. Step 2: Convert to fraction form
    432.80/597.26 = 246.28/x
  3. Step 3: Cross multiply
    432.80x = 597.26 × 246.28
  4. Step 4: Simplify right side
    432.80x = 147,093.19
  5. Step 5: Solve for x
    x = 147,093.19/432.80
  6. Step 6: Final answer
    x = 339.86

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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.