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Finding the Fourth Proportional to 704.18, 1,055.25 and 484.58

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Solution

The fourth proportional to 704.18, 1,055.25 and 484.58 is: 726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.18 : 1,055.25 = 484.58 : x
  2. Step 2: Convert to fraction form
    704.18/1,055.25 = 484.58/x
  3. Step 3: Cross multiply
    704.18x = 1,055.25 × 484.58
  4. Step 4: Simplify right side
    704.18x = 511,353.05
  5. Step 5: Solve for x
    x = 511,353.05/704.18
  6. Step 6: Final answer
    x = 726.17

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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.