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Finding the Fourth Proportional to 441.42, 609.24 and 266.76

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Solution

The fourth proportional to 441.42, 609.24 and 266.76 is: 368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.42 : 609.24 = 266.76 : x
  2. Step 2: Convert to fraction form
    441.42/609.24 = 266.76/x
  3. Step 3: Cross multiply
    441.42x = 609.24 × 266.76
  4. Step 4: Simplify right side
    441.42x = 162,520.86
  5. Step 5: Solve for x
    x = 162,520.86/441.42
  6. Step 6: Final answer
    x = 368.18

Related Problems

Find fourth proportional to 220.71, 304.62 and 133.38
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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.