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Finding the Fourth Proportional to 491.08, 673.28 and 483.52

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Solution

The fourth proportional to 491.08, 673.28 and 483.52 is: 662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.08 : 673.28 = 483.52 : x
  2. Step 2: Convert to fraction form
    491.08/673.28 = 483.52/x
  3. Step 3: Cross multiply
    491.08x = 673.28 × 483.52
  4. Step 4: Simplify right side
    491.08x = 325,544.35
  5. Step 5: Solve for x
    x = 325,544.35/491.08
  6. Step 6: Final answer
    x = 662.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.