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Finding the Fourth Proportional to 432.46, 596.74 and 245.92

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Solution

The fourth proportional to 432.46, 596.74 and 245.92 is: 339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.46 : 596.74 = 245.92 : x
  2. Step 2: Convert to fraction form
    432.46/596.74 = 245.92/x
  3. Step 3: Cross multiply
    432.46x = 596.74 × 245.92
  4. Step 4: Simplify right side
    432.46x = 146,750.30
  5. Step 5: Solve for x
    x = 146,750.30/432.46
  6. Step 6: Final answer
    x = 339.34

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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.