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Finding the Fourth Proportional to 195.51, 291.87 and 181.85

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Solution

The fourth proportional to 195.51, 291.87 and 181.85 is: 271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.51 : 291.87 = 181.85 : x
  2. Step 2: Convert to fraction form
    195.51/291.87 = 181.85/x
  3. Step 3: Cross multiply
    195.51x = 291.87 × 181.85
  4. Step 4: Simplify right side
    195.51x = 53,075.10
  5. Step 5: Solve for x
    x = 53,075.10/195.51
  6. Step 6: Final answer
    x = 271.46

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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.