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Finding the Fourth Proportional to 245.58, 338.97 and 152.27

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Solution

The fourth proportional to 245.58, 338.97 and 152.27 is: 210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.58 : 338.97 = 152.27 : x
  2. Step 2: Convert to fraction form
    245.58/338.97 = 152.27/x
  3. Step 3: Cross multiply
    245.58x = 338.97 × 152.27
  4. Step 4: Simplify right side
    245.58x = 51,615.43
  5. Step 5: Solve for x
    x = 51,615.43/245.58
  6. Step 6: Final answer
    x = 210.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.