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Finding the Fourth Proportional to 173.98, 259.62 and 155.75

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Solution

The fourth proportional to 173.98, 259.62 and 155.75 is: 232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.98 : 259.62 = 155.75 : x
  2. Step 2: Convert to fraction form
    173.98/259.62 = 155.75/x
  3. Step 3: Cross multiply
    173.98x = 259.62 × 155.75
  4. Step 4: Simplify right side
    173.98x = 40,437.05
  5. Step 5: Solve for x
    x = 40,437.05/173.98
  6. Step 6: Final answer
    x = 232.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.