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Finding the Fourth Proportional to 296.83, 445.25 and 134.70

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Solution

The fourth proportional to 296.83, 445.25 and 134.70 is: 202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.83 : 445.25 = 134.70 : x
  2. Step 2: Convert to fraction form
    296.83/445.25 = 134.70/x
  3. Step 3: Cross multiply
    296.83x = 445.25 × 134.70
  4. Step 4: Simplify right side
    296.83x = 59,975.18
  5. Step 5: Solve for x
    x = 59,975.18/296.83
  6. Step 6: Final answer
    x = 202.05

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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.