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Finding the Fourth Proportional to 200.04, 276.18 and 148.52

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Solution

The fourth proportional to 200.04, 276.18 and 148.52 is: 205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.04 : 276.18 = 148.52 : x
  2. Step 2: Convert to fraction form
    200.04/276.18 = 148.52/x
  3. Step 3: Cross multiply
    200.04x = 276.18 × 148.52
  4. Step 4: Simplify right side
    200.04x = 41,018.25
  5. Step 5: Solve for x
    x = 41,018.25/200.04
  6. Step 6: Final answer
    x = 205.05

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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.