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Finding the Fourth Proportional to 297.54, 445.93 and 124.10

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Solution

The fourth proportional to 297.54, 445.93 and 124.10 is: 185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.54 : 445.93 = 124.10 : x
  2. Step 2: Convert to fraction form
    297.54/445.93 = 124.10/x
  3. Step 3: Cross multiply
    297.54x = 445.93 × 124.10
  4. Step 4: Simplify right side
    297.54x = 55,339.91
  5. Step 5: Solve for x
    x = 55,339.91/297.54
  6. Step 6: Final answer
    x = 185.99

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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.