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Finding the Fourth Proportional to 297.80, 446.34 and 237.02

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Solution

The fourth proportional to 297.80, 446.34 and 237.02 is: 355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.80 : 446.34 = 237.02 : x
  2. Step 2: Convert to fraction form
    297.80/446.34 = 237.02/x
  3. Step 3: Cross multiply
    297.80x = 446.34 × 237.02
  4. Step 4: Simplify right side
    297.80x = 105,791.51
  5. Step 5: Solve for x
    x = 105,791.51/297.80
  6. Step 6: Final answer
    x = 355.24

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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.