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Finding the Fourth Proportional to 523.01, 784.52 and 171.61

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Solution

The fourth proportional to 523.01, 784.52 and 171.61 is: 257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.01 : 784.52 = 171.61 : x
  2. Step 2: Convert to fraction form
    523.01/784.52 = 171.61/x
  3. Step 3: Cross multiply
    523.01x = 784.52 × 171.61
  4. Step 4: Simplify right side
    523.01x = 134,628.66
  5. Step 5: Solve for x
    x = 134,628.66/523.01
  6. Step 6: Final answer
    x = 257.41

Related Problems

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Double scale
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Similar ratio
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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.