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Finding the Fourth Proportional to 469.45, 704.16 and 180.88

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Solution

The fourth proportional to 469.45, 704.16 and 180.88 is: 271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.45 : 704.16 = 180.88 : x
  2. Step 2: Convert to fraction form
    469.45/704.16 = 180.88/x
  3. Step 3: Cross multiply
    469.45x = 704.16 × 180.88
  4. Step 4: Simplify right side
    469.45x = 127,364.94
  5. Step 5: Solve for x
    x = 127,364.94/469.45
  6. Step 6: Final answer
    x = 271.31

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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.