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Finding the Fourth Proportional to 332.09, 497.86 and 216.26

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Solution

The fourth proportional to 332.09, 497.86 and 216.26 is: 324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.09 : 497.86 = 216.26 : x
  2. Step 2: Convert to fraction form
    332.09/497.86 = 216.26/x
  3. Step 3: Cross multiply
    332.09x = 497.86 × 216.26
  4. Step 4: Simplify right side
    332.09x = 107,667.20
  5. Step 5: Solve for x
    x = 107,667.20/332.09
  6. Step 6: Final answer
    x = 324.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.