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Finding the Fourth Proportional to 410.75, 566.85 and 236.09

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Solution

The fourth proportional to 410.75, 566.85 and 236.09 is: 325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.75 : 566.85 = 236.09 : x
  2. Step 2: Convert to fraction form
    410.75/566.85 = 236.09/x
  3. Step 3: Cross multiply
    410.75x = 566.85 × 236.09
  4. Step 4: Simplify right side
    410.75x = 133,827.62
  5. Step 5: Solve for x
    x = 133,827.62/410.75
  6. Step 6: Final answer
    x = 325.81

Related Problems

Find fourth proportional to 205.38, 283.43 and 118.05
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Double scale
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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.