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Finding the Fourth Proportional to 536.45, 740.25 and 300.41

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Solution

The fourth proportional to 536.45, 740.25 and 300.41 is: 414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.45 : 740.25 = 300.41 : x
  2. Step 2: Convert to fraction form
    536.45/740.25 = 300.41/x
  3. Step 3: Cross multiply
    536.45x = 740.25 × 300.41
  4. Step 4: Simplify right side
    536.45x = 222,378.50
  5. Step 5: Solve for x
    x = 222,378.50/536.45
  6. Step 6: Final answer
    x = 414.54

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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.