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Finding the Fourth Proportional to 323.85, 483.54 and 293.07

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Solution

The fourth proportional to 323.85, 483.54 and 293.07 is: 437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.85 : 483.54 = 293.07 : x
  2. Step 2: Convert to fraction form
    323.85/483.54 = 293.07/x
  3. Step 3: Cross multiply
    323.85x = 483.54 × 293.07
  4. Step 4: Simplify right side
    323.85x = 141,707.92
  5. Step 5: Solve for x
    x = 141,707.92/323.85
  6. Step 6: Final answer
    x = 437.58

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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.