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Finding the Fourth Proportional to 564.92, 779.46 and 332.12

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Solution

The fourth proportional to 564.92, 779.46 and 332.12 is: 458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.92 : 779.46 = 332.12 : x
  2. Step 2: Convert to fraction form
    564.92/779.46 = 332.12/x
  3. Step 3: Cross multiply
    564.92x = 779.46 × 332.12
  4. Step 4: Simplify right side
    564.92x = 258,874.26
  5. Step 5: Solve for x
    x = 258,874.26/564.92
  6. Step 6: Final answer
    x = 458.25

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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.