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Finding the Fourth Proportional to 559.69, 839.53 and 174.94

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Solution

The fourth proportional to 559.69, 839.53 and 174.94 is: 262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.69 : 839.53 = 174.94 : x
  2. Step 2: Convert to fraction form
    559.69/839.53 = 174.94/x
  3. Step 3: Cross multiply
    559.69x = 839.53 × 174.94
  4. Step 4: Simplify right side
    559.69x = 146,865.50
  5. Step 5: Solve for x
    x = 146,865.50/559.69
  6. Step 6: Final answer
    x = 262.41

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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.