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Finding the Fourth Proportional to 536.41, 804.59 and 151.66

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Solution

The fourth proportional to 536.41, 804.59 and 151.66 is: 227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.41 : 804.59 = 151.66 : x
  2. Step 2: Convert to fraction form
    536.41/804.59 = 151.66/x
  3. Step 3: Cross multiply
    536.41x = 804.59 × 151.66
  4. Step 4: Simplify right side
    536.41x = 122,024.12
  5. Step 5: Solve for x
    x = 122,024.12/536.41
  6. Step 6: Final answer
    x = 227.48

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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.