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Finding the Fourth Proportional to 484.07, 726.11 and 322.07

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Solution

The fourth proportional to 484.07, 726.11 and 322.07 is: 483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.07 : 726.11 = 322.07 : x
  2. Step 2: Convert to fraction form
    484.07/726.11 = 322.07/x
  3. Step 3: Cross multiply
    484.07x = 726.11 × 322.07
  4. Step 4: Simplify right side
    484.07x = 233,856.64
  5. Step 5: Solve for x
    x = 233,856.64/484.07
  6. Step 6: Final answer
    x = 483.11

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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.