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Finding the Fourth Proportional to 536.74, 805.38 and 248.38

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Solution

The fourth proportional to 536.74, 805.38 and 248.38 is: 372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.74 : 805.38 = 248.38 : x
  2. Step 2: Convert to fraction form
    536.74/805.38 = 248.38/x
  3. Step 3: Cross multiply
    536.74x = 805.38 × 248.38
  4. Step 4: Simplify right side
    536.74x = 200,035.02
  5. Step 5: Solve for x
    x = 200,035.02/536.74
  6. Step 6: Final answer
    x = 372.69

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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.