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Finding the Fourth Proportional to 512.01, 768.02 and 358.23

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Solution

The fourth proportional to 512.01, 768.02 and 358.23 is: 537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.01 : 768.02 = 358.23 : x
  2. Step 2: Convert to fraction form
    512.01/768.02 = 358.23/x
  3. Step 3: Cross multiply
    512.01x = 768.02 × 358.23
  4. Step 4: Simplify right side
    512.01x = 275,126.01
  5. Step 5: Solve for x
    x = 275,126.01/512.01
  6. Step 6: Final answer
    x = 537.35

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Similar ratio
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1.5x scale

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.