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Finding the Fourth Proportional to 410.76, 566.86 and 251.27

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Solution

The fourth proportional to 410.76, 566.86 and 251.27 is: 346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.76 : 566.86 = 251.27 : x
  2. Step 2: Convert to fraction form
    410.76/566.86 = 251.27/x
  3. Step 3: Cross multiply
    410.76x = 566.86 × 251.27
  4. Step 4: Simplify right side
    410.76x = 142,435.82
  5. Step 5: Solve for x
    x = 142,435.82/410.76
  6. Step 6: Final answer
    x = 346.76

Related Problems

Find fourth proportional to 205.38, 283.43 and 125.64
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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.