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Finding the Fourth Proportional to 465.98, 698.97 and 141.35

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Solution

The fourth proportional to 465.98, 698.97 and 141.35 is: 212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.98 : 698.97 = 141.35 : x
  2. Step 2: Convert to fraction form
    465.98/698.97 = 141.35/x
  3. Step 3: Cross multiply
    465.98x = 698.97 × 141.35
  4. Step 4: Simplify right side
    465.98x = 98,795.91
  5. Step 5: Solve for x
    x = 98,795.91/465.98
  6. Step 6: Final answer
    x = 212.02

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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.