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Finding the Fourth Proportional to 270.57, 403.49 and 241.07

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Solution

The fourth proportional to 270.57, 403.49 and 241.07 is: 359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.57 : 403.49 = 241.07 : x
  2. Step 2: Convert to fraction form
    270.57/403.49 = 241.07/x
  3. Step 3: Cross multiply
    270.57x = 403.49 × 241.07
  4. Step 4: Simplify right side
    270.57x = 97,266.11
  5. Step 5: Solve for x
    x = 97,266.11/270.57
  6. Step 6: Final answer
    x = 359.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.