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Finding the Fourth Proportional to 699.58, 965.46 and 466.84

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Solution

The fourth proportional to 699.58, 965.46 and 466.84 is: 644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.58 : 965.46 = 466.84 : x
  2. Step 2: Convert to fraction form
    699.58/965.46 = 466.84/x
  3. Step 3: Cross multiply
    699.58x = 965.46 × 466.84
  4. Step 4: Simplify right side
    699.58x = 450,715.35
  5. Step 5: Solve for x
    x = 450,715.35/699.58
  6. Step 6: Final answer
    x = 644.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.