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Finding the Fourth Proportional to 536.41, 804.62 and 171.19

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Solution

The fourth proportional to 536.41, 804.62 and 171.19 is: 256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.41 : 804.62 = 171.19 : x
  2. Step 2: Convert to fraction form
    536.41/804.62 = 171.19/x
  3. Step 3: Cross multiply
    536.41x = 804.62 × 171.19
  4. Step 4: Simplify right side
    536.41x = 137,742.90
  5. Step 5: Solve for x
    x = 137,742.90/536.41
  6. Step 6: Final answer
    x = 256.79

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.