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Finding the Fourth Proportional to 296.19, 441.70 and 272.56

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Solution

The fourth proportional to 296.19, 441.70 and 272.56 is: 406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.19 : 441.70 = 272.56 : x
  2. Step 2: Convert to fraction form
    296.19/441.70 = 272.56/x
  3. Step 3: Cross multiply
    296.19x = 441.70 × 272.56
  4. Step 4: Simplify right side
    296.19x = 120,389.75
  5. Step 5: Solve for x
    x = 120,389.75/296.19
  6. Step 6: Final answer
    x = 406.46

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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.