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Finding the Fourth Proportional to 245.50, 338.51 and 175.50

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Solution

The fourth proportional to 245.50, 338.51 and 175.50 is: 241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.50 : 338.51 = 175.50 : x
  2. Step 2: Convert to fraction form
    245.50/338.51 = 175.50/x
  3. Step 3: Cross multiply
    245.50x = 338.51 × 175.50
  4. Step 4: Simplify right side
    245.50x = 59,408.94
  5. Step 5: Solve for x
    x = 59,408.94/245.50
  6. Step 6: Final answer
    x = 241.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.