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Finding the Fourth Proportional to 309.93, 464.63 and 241.08

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Solution

The fourth proportional to 309.93, 464.63 and 241.08 is: 361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309.93 : 464.63 = 241.08 : x
  2. Step 2: Convert to fraction form
    309.93/464.63 = 241.08/x
  3. Step 3: Cross multiply
    309.93x = 464.63 × 241.08
  4. Step 4: Simplify right side
    309.93x = 112,011.80
  5. Step 5: Solve for x
    x = 112,011.80/309.93
  6. Step 6: Final answer
    x = 361.41

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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.