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Finding the Fourth Proportional to 536.06, 740.01 and 403.33

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Solution

The fourth proportional to 536.06, 740.01 and 403.33 is: 556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.06 : 740.01 = 403.33 : x
  2. Step 2: Convert to fraction form
    536.06/740.01 = 403.33/x
  3. Step 3: Cross multiply
    536.06x = 740.01 × 403.33
  4. Step 4: Simplify right side
    536.06x = 298,469.24
  5. Step 5: Solve for x
    x = 298,469.24/536.06
  6. Step 6: Final answer
    x = 556.79

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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.