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Finding the Fourth Proportional to 145.05, 200.19 and 96.04

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Solution

The fourth proportional to 145.05, 200.19 and 96.04 is: 132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.05 : 200.19 = 96.04 : x
  2. Step 2: Convert to fraction form
    145.05/200.19 = 96.04/x
  3. Step 3: Cross multiply
    145.05x = 200.19 × 96.04
  4. Step 4: Simplify right side
    145.05x = 19,226.25
  5. Step 5: Solve for x
    x = 19,226.25/145.05
  6. Step 6: Final answer
    x = 132.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.