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Finding the Fourth Proportional to 568.54, 851.61 and 465.34

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Solution

The fourth proportional to 568.54, 851.61 and 465.34 is: 697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.54 : 851.61 = 465.34 : x
  2. Step 2: Convert to fraction form
    568.54/851.61 = 465.34/x
  3. Step 3: Cross multiply
    568.54x = 851.61 × 465.34
  4. Step 4: Simplify right side
    568.54x = 396,288.20
  5. Step 5: Solve for x
    x = 396,288.20/568.54
  6. Step 6: Final answer
    x = 697.03

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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.