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Finding the Fourth Proportional to 700.38, 966.33 and 451.71

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Solution

The fourth proportional to 700.38, 966.33 and 451.71 is: 623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.38 : 966.33 = 451.71 : x
  2. Step 2: Convert to fraction form
    700.38/966.33 = 451.71/x
  3. Step 3: Cross multiply
    700.38x = 966.33 × 451.71
  4. Step 4: Simplify right side
    700.38x = 436,500.92
  5. Step 5: Solve for x
    x = 436,500.92/700.38
  6. Step 6: Final answer
    x = 623.23

Related Problems

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Half scale
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Double scale
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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.