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Finding the Fourth Proportional to 270.18, 403.55 and 233.73

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Solution

The fourth proportional to 270.18, 403.55 and 233.73 is: 349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.18 : 403.55 = 233.73 : x
  2. Step 2: Convert to fraction form
    270.18/403.55 = 233.73/x
  3. Step 3: Cross multiply
    270.18x = 403.55 × 233.73
  4. Step 4: Simplify right side
    270.18x = 94,320.57
  5. Step 5: Solve for x
    x = 94,320.57/270.18
  6. Step 6: Final answer
    x = 349.10

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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.