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Finding the Fourth Proportional to 700.73, 966.68 and 452.13

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Solution

The fourth proportional to 700.73, 966.68 and 452.13 is: 623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.73 : 966.68 = 452.13 : x
  2. Step 2: Convert to fraction form
    700.73/966.68 = 452.13/x
  3. Step 3: Cross multiply
    700.73x = 966.68 × 452.13
  4. Step 4: Simplify right side
    700.73x = 437,065.03
  5. Step 5: Solve for x
    x = 437,065.03/700.73
  6. Step 6: Final answer
    x = 623.73

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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.