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Finding the Fourth Proportional to 296.18, 444.08 and 141.90

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Solution

The fourth proportional to 296.18, 444.08 and 141.90 is: 212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.18 : 444.08 = 141.90 : x
  2. Step 2: Convert to fraction form
    296.18/444.08 = 141.90/x
  3. Step 3: Cross multiply
    296.18x = 444.08 × 141.90
  4. Step 4: Simplify right side
    296.18x = 63,014.95
  5. Step 5: Solve for x
    x = 63,014.95/296.18
  6. Step 6: Final answer
    x = 212.76

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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.