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Finding the Fourth Proportional to 595, 890.47 and 518.19

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Solution

The fourth proportional to 595, 890.47 and 518.19 is: 775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    595 : 890.47 = 518.19 : x
  2. Step 2: Convert to fraction form
    595/890.47 = 518.19/x
  3. Step 3: Cross multiply
    595x = 890.47 × 518.19
  4. Step 4: Simplify right side
    595x = 461,432.65
  5. Step 5: Solve for x
    x = 461,432.65/595
  6. Step 6: Final answer
    x = 775.52

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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.