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Finding the Fourth Proportional to 432.26, 596.48 and 245.75

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Solution

The fourth proportional to 432.26, 596.48 and 245.75 is: 339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.26 : 596.48 = 245.75 : x
  2. Step 2: Convert to fraction form
    432.26/596.48 = 245.75/x
  3. Step 3: Cross multiply
    432.26x = 596.48 × 245.75
  4. Step 4: Simplify right side
    432.26x = 146,587.07
  5. Step 5: Solve for x
    x = 146,587.07/432.26
  6. Step 6: Final answer
    x = 339.12

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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.