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Finding the Fourth Proportional to 240.66, 360.84 and 154.08

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Solution

The fourth proportional to 240.66, 360.84 and 154.08 is: 231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.66 : 360.84 = 154.08 : x
  2. Step 2: Convert to fraction form
    240.66/360.84 = 154.08/x
  3. Step 3: Cross multiply
    240.66x = 360.84 × 154.08
  4. Step 4: Simplify right side
    240.66x = 55,598.23
  5. Step 5: Solve for x
    x = 55,598.23/240.66
  6. Step 6: Final answer
    x = 231.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.