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Finding the Fourth Proportional to 536.38, 740.01 and 326.49

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Solution

The fourth proportional to 536.38, 740.01 and 326.49 is: 450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.38 : 740.01 = 326.49 : x
  2. Step 2: Convert to fraction form
    536.38/740.01 = 326.49/x
  3. Step 3: Cross multiply
    536.38x = 740.01 × 326.49
  4. Step 4: Simplify right side
    536.38x = 241,604.31
  5. Step 5: Solve for x
    x = 241,604.31/536.38
  6. Step 6: Final answer
    x = 450.44

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1.5x scale

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.