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Finding the Fourth Proportional to 536.60, 739.04 and 495.30

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Solution

The fourth proportional to 536.60, 739.04 and 495.30 is: 682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.60 : 739.04 = 495.30 : x
  2. Step 2: Convert to fraction form
    536.60/739.04 = 495.30/x
  3. Step 3: Cross multiply
    536.60x = 739.04 × 495.30
  4. Step 4: Simplify right side
    536.60x = 366,046.51
  5. Step 5: Solve for x
    x = 366,046.51/536.60
  6. Step 6: Final answer
    x = 682.16

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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.