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Finding the Fourth Proportional to 245.68, 336.10 and 244.64

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Solution

The fourth proportional to 245.68, 336.10 and 244.64 is: 334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.68 : 336.10 = 244.64 : x
  2. Step 2: Convert to fraction form
    245.68/336.10 = 244.64/x
  3. Step 3: Cross multiply
    245.68x = 336.10 × 244.64
  4. Step 4: Simplify right side
    245.68x = 82,223.50
  5. Step 5: Solve for x
    x = 82,223.50/245.68
  6. Step 6: Final answer
    x = 334.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.