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Finding the Fourth Proportional to 700.14, 966.02 and 467.31

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Solution

The fourth proportional to 700.14, 966.02 and 467.31 is: 644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.14 : 966.02 = 467.31 : x
  2. Step 2: Convert to fraction form
    700.14/966.02 = 467.31/x
  3. Step 3: Cross multiply
    700.14x = 966.02 × 467.31
  4. Step 4: Simplify right side
    700.14x = 451,428.47
  5. Step 5: Solve for x
    x = 451,428.47/700.14
  6. Step 6: Final answer
    x = 644.77

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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.