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Finding the Fourth Proportional to 240.95, 358.86 and 225.96

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Solution

The fourth proportional to 240.95, 358.86 and 225.96 is: 336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.95 : 358.86 = 225.96 : x
  2. Step 2: Convert to fraction form
    240.95/358.86 = 225.96/x
  3. Step 3: Cross multiply
    240.95x = 358.86 × 225.96
  4. Step 4: Simplify right side
    240.95x = 81,088.01
  5. Step 5: Solve for x
    x = 81,088.01/240.95
  6. Step 6: Final answer
    x = 336.53

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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.