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Finding the Fourth Proportional to 675.27, 930.96 and 576.81

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Solution

The fourth proportional to 675.27, 930.96 and 576.81 is: 795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.27 : 930.96 = 576.81 : x
  2. Step 2: Convert to fraction form
    675.27/930.96 = 576.81/x
  3. Step 3: Cross multiply
    675.27x = 930.96 × 576.81
  4. Step 4: Simplify right side
    675.27x = 536,987.04
  5. Step 5: Solve for x
    x = 536,987.04/675.27
  6. Step 6: Final answer
    x = 795.22

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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.