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Finding the Fourth Proportional to 700.70, 967.38 and 464.72

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Solution

The fourth proportional to 700.70, 967.38 and 464.72 is: 641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.70 : 967.38 = 464.72 : x
  2. Step 2: Convert to fraction form
    700.70/967.38 = 464.72/x
  3. Step 3: Cross multiply
    700.70x = 967.38 × 464.72
  4. Step 4: Simplify right side
    700.70x = 449,560.83
  5. Step 5: Solve for x
    x = 449,560.83/700.70
  6. Step 6: Final answer
    x = 641.59

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1.5x scale

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.