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Finding the Fourth Proportional to 566.63, 850.25 and 429.65

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Solution

The fourth proportional to 566.63, 850.25 and 429.65 is: 644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.63 : 850.25 = 429.65 : x
  2. Step 2: Convert to fraction form
    566.63/850.25 = 429.65/x
  3. Step 3: Cross multiply
    566.63x = 850.25 × 429.65
  4. Step 4: Simplify right side
    566.63x = 365,309.91
  5. Step 5: Solve for x
    x = 365,309.91/566.63
  6. Step 6: Final answer
    x = 644.71

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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.