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Finding the Fourth Proportional to 356.76, 534.60 and 241.38

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Solution

The fourth proportional to 356.76, 534.60 and 241.38 is: 361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.76 : 534.60 = 241.38 : x
  2. Step 2: Convert to fraction form
    356.76/534.60 = 241.38/x
  3. Step 3: Cross multiply
    356.76x = 534.60 × 241.38
  4. Step 4: Simplify right side
    356.76x = 129,041.75
  5. Step 5: Solve for x
    x = 129,041.75/356.76
  6. Step 6: Final answer
    x = 361.70

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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.