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Finding the Fourth Proportional to 240.45, 358.77 and 234.92

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Solution

The fourth proportional to 240.45, 358.77 and 234.92 is: 350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.45 : 358.77 = 234.92 : x
  2. Step 2: Convert to fraction form
    240.45/358.77 = 234.92/x
  3. Step 3: Cross multiply
    240.45x = 358.77 × 234.92
  4. Step 4: Simplify right side
    240.45x = 84,280.45
  5. Step 5: Solve for x
    x = 84,280.45/240.45
  6. Step 6: Final answer
    x = 350.51

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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.