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Finding the Fourth Proportional to 934.98, 1,402.48 and 241.66

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Solution

The fourth proportional to 934.98, 1,402.48 and 241.66 is: 362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.98 : 1,402.48 = 241.66 : x
  2. Step 2: Convert to fraction form
    934.98/1,402.48 = 241.66/x
  3. Step 3: Cross multiply
    934.98x = 1,402.48 × 241.66
  4. Step 4: Simplify right side
    934.98x = 338,916.30
  5. Step 5: Solve for x
    x = 338,916.30/934.98
  6. Step 6: Final answer
    x = 362.49

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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.