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Finding the Fourth Proportional to 240.85, 358.53 and 229.67

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Solution

The fourth proportional to 240.85, 358.53 and 229.67 is: 341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.85 : 358.53 = 229.67 : x
  2. Step 2: Convert to fraction form
    240.85/358.53 = 229.67/x
  3. Step 3: Cross multiply
    240.85x = 358.53 × 229.67
  4. Step 4: Simplify right side
    240.85x = 82,342.28
  5. Step 5: Solve for x
    x = 82,342.28/240.85
  6. Step 6: Final answer
    x = 341.88

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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.