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Finding the Fourth Proportional to 240.80, 332.48 and 185.45

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Solution

The fourth proportional to 240.80, 332.48 and 185.45 is: 256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.80 : 332.48 = 185.45 : x
  2. Step 2: Convert to fraction form
    240.80/332.48 = 185.45/x
  3. Step 3: Cross multiply
    240.80x = 332.48 × 185.45
  4. Step 4: Simplify right side
    240.80x = 61,657.22
  5. Step 5: Solve for x
    x = 61,657.22/240.80
  6. Step 6: Final answer
    x = 256.06

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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.