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Finding the Fourth Proportional to 332.16, 497.70 and 216.36

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Solution

The fourth proportional to 332.16, 497.70 and 216.36 is: 324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.16 : 497.70 = 216.36 : x
  2. Step 2: Convert to fraction form
    332.16/497.70 = 216.36/x
  3. Step 3: Cross multiply
    332.16x = 497.70 × 216.36
  4. Step 4: Simplify right side
    332.16x = 107,682.37
  5. Step 5: Solve for x
    x = 107,682.37/332.16
  6. Step 6: Final answer
    x = 324.19

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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.