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Finding the Fourth Proportional to 469.89, 704.57 and 180.99

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Solution

The fourth proportional to 469.89, 704.57 and 180.99 is: 271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.89 : 704.57 = 180.99 : x
  2. Step 2: Convert to fraction form
    469.89/704.57 = 180.99/x
  3. Step 3: Cross multiply
    469.89x = 704.57 × 180.99
  4. Step 4: Simplify right side
    469.89x = 127,519.22
  5. Step 5: Solve for x
    x = 127,519.22/469.89
  6. Step 6: Final answer
    x = 271.38

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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.