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Finding the Fourth Proportional to 332.49, 496.51 and 289.27

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Solution

The fourth proportional to 332.49, 496.51 and 289.27 is: 431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.49 : 496.51 = 289.27 : x
  2. Step 2: Convert to fraction form
    332.49/496.51 = 289.27/x
  3. Step 3: Cross multiply
    332.49x = 496.51 × 289.27
  4. Step 4: Simplify right side
    332.49x = 143,625.35
  5. Step 5: Solve for x
    x = 143,625.35/332.49
  6. Step 6: Final answer
    x = 431.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.