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Finding the Fourth Proportional to 173.41, 259.83 and 130.34

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Solution

The fourth proportional to 173.41, 259.83 and 130.34 is: 195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.41 : 259.83 = 130.34 : x
  2. Step 2: Convert to fraction form
    173.41/259.83 = 130.34/x
  3. Step 3: Cross multiply
    173.41x = 259.83 × 130.34
  4. Step 4: Simplify right side
    173.41x = 33,866.89
  5. Step 5: Solve for x
    x = 33,866.89/173.41
  6. Step 6: Final answer
    x = 195.30

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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.