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Finding the Fourth Proportional to 298.88, 444.52 and 292.74

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Solution

The fourth proportional to 298.88, 444.52 and 292.74 is: 435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.88 : 444.52 = 292.74 : x
  2. Step 2: Convert to fraction form
    298.88/444.52 = 292.74/x
  3. Step 3: Cross multiply
    298.88x = 444.52 × 292.74
  4. Step 4: Simplify right side
    298.88x = 130,128.78
  5. Step 5: Solve for x
    x = 130,128.78/298.88
  6. Step 6: Final answer
    x = 435.39

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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.