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Finding the Fourth Proportional to 700.29, 1,050.44 and 206.69

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Solution

The fourth proportional to 700.29, 1,050.44 and 206.69 is: 310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.29 : 1,050.44 = 206.69 : x
  2. Step 2: Convert to fraction form
    700.29/1,050.44 = 206.69/x
  3. Step 3: Cross multiply
    700.29x = 1,050.44 × 206.69
  4. Step 4: Simplify right side
    700.29x = 217,109.16
  5. Step 5: Solve for x
    x = 217,109.16/700.29
  6. Step 6: Final answer
    x = 310.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.