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Finding the Fourth Proportional to 466.34, 699.30 and 141.63

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Solution

The fourth proportional to 466.34, 699.30 and 141.63 is: 212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.34 : 699.30 = 141.63 : x
  2. Step 2: Convert to fraction form
    466.34/699.30 = 141.63/x
  3. Step 3: Cross multiply
    466.34x = 699.30 × 141.63
  4. Step 4: Simplify right side
    466.34x = 99,041.86
  5. Step 5: Solve for x
    x = 99,041.86/466.34
  6. Step 6: Final answer
    x = 212.38

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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.