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Finding the Fourth Proportional to 700.59, 966.66 and 451.83

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Solution

The fourth proportional to 700.59, 966.66 and 451.83 is: 623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.59 : 966.66 = 451.83 : x
  2. Step 2: Convert to fraction form
    700.59/966.66 = 451.83/x
  3. Step 3: Cross multiply
    700.59x = 966.66 × 451.83
  4. Step 4: Simplify right side
    700.59x = 436,765.99
  5. Step 5: Solve for x
    x = 436,765.99/700.59
  6. Step 6: Final answer
    x = 623.43

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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.