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Finding the Fourth Proportional to 324.71, 485.03 and 237.30

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Solution

The fourth proportional to 324.71, 485.03 and 237.30 is: 354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.71 : 485.03 = 237.30 : x
  2. Step 2: Convert to fraction form
    324.71/485.03 = 237.30/x
  3. Step 3: Cross multiply
    324.71x = 485.03 × 237.30
  4. Step 4: Simplify right side
    324.71x = 115,097.62
  5. Step 5: Solve for x
    x = 115,097.62/324.71
  6. Step 6: Final answer
    x = 354.46

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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.