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Finding the Fourth Proportional to 466.57, 699.69 and 271.64

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Solution

The fourth proportional to 466.57, 699.69 and 271.64 is: 407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.57 : 699.69 = 271.64 : x
  2. Step 2: Convert to fraction form
    466.57/699.69 = 271.64/x
  3. Step 3: Cross multiply
    466.57x = 699.69 × 271.64
  4. Step 4: Simplify right side
    466.57x = 190,064.05
  5. Step 5: Solve for x
    x = 190,064.05/466.57
  6. Step 6: Final answer
    x = 407.36

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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.