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Finding the Fourth Proportional to 466.19, 699.26 and 141.56

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Solution

The fourth proportional to 466.19, 699.26 and 141.56 is: 212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.19 : 699.26 = 141.56 : x
  2. Step 2: Convert to fraction form
    466.19/699.26 = 141.56/x
  3. Step 3: Cross multiply
    466.19x = 699.26 × 141.56
  4. Step 4: Simplify right side
    466.19x = 98,983.04
  5. Step 5: Solve for x
    x = 98,983.04/466.19
  6. Step 6: Final answer
    x = 212.33

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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.