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Finding the Fourth Proportional to 700.39, 966.69 and 467.38

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Solution

The fourth proportional to 700.39, 966.69 and 467.38 is: 645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.39 : 966.69 = 467.38 : x
  2. Step 2: Convert to fraction form
    700.39/966.69 = 467.38/x
  3. Step 3: Cross multiply
    700.39x = 966.69 × 467.38
  4. Step 4: Simplify right side
    700.39x = 451,804.40
  5. Step 5: Solve for x
    x = 451,804.40/700.39
  6. Step 6: Final answer
    x = 645.08

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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.