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Finding the Fourth Proportional to 454.39, 680.95 and 237.53

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Solution

The fourth proportional to 454.39, 680.95 and 237.53 is: 355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.39 : 680.95 = 237.53 : x
  2. Step 2: Convert to fraction form
    454.39/680.95 = 237.53/x
  3. Step 3: Cross multiply
    454.39x = 680.95 × 237.53
  4. Step 4: Simplify right side
    454.39x = 161,744.87
  5. Step 5: Solve for x
    x = 161,744.87/454.39
  6. Step 6: Final answer
    x = 355.96

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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.