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Finding the Fourth Proportional to 466.11, 699.15 and 312.33

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Solution

The fourth proportional to 466.11, 699.15 and 312.33 is: 468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.11 : 699.15 = 312.33 : x
  2. Step 2: Convert to fraction form
    466.11/699.15 = 312.33/x
  3. Step 3: Cross multiply
    466.11x = 699.15 × 312.33
  4. Step 4: Simplify right side
    466.11x = 218,365.52
  5. Step 5: Solve for x
    x = 218,365.52/466.11
  6. Step 6: Final answer
    x = 468.48

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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.