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Finding the Fourth Proportional to 339.16, 507.48 and 241.89

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Solution

The fourth proportional to 339.16, 507.48 and 241.89 is: 361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.16 : 507.48 = 241.89 : x
  2. Step 2: Convert to fraction form
    339.16/507.48 = 241.89/x
  3. Step 3: Cross multiply
    339.16x = 507.48 × 241.89
  4. Step 4: Simplify right side
    339.16x = 122,750.59
  5. Step 5: Solve for x
    x = 122,750.59/339.16
  6. Step 6: Final answer
    x = 361.93

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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.