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Finding the Fourth Proportional to 700.28, 1,044.77 and 675.07

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Solution

The fourth proportional to 700.28, 1,044.77 and 675.07 is: 1,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.28 : 1,044.77 = 675.07 : x
  2. Step 2: Convert to fraction form
    700.28/1,044.77 = 675.07/x
  3. Step 3: Cross multiply
    700.28x = 1,044.77 × 675.07
  4. Step 4: Simplify right side
    700.28x = 705,286.90
  5. Step 5: Solve for x
    x = 705,286.90/700.28
  6. Step 6: Final answer
    x = 1,007.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.