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Finding the Fourth Proportional to 268.02, 403.40 and 241.50

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Solution

The fourth proportional to 268.02, 403.40 and 241.50 is: 363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.02 : 403.40 = 241.50 : x
  2. Step 2: Convert to fraction form
    268.02/403.40 = 241.50/x
  3. Step 3: Cross multiply
    268.02x = 403.40 × 241.50
  4. Step 4: Simplify right side
    268.02x = 97,419.89
  5. Step 5: Solve for x
    x = 97,419.89/268.02
  6. Step 6: Final answer
    x = 363.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.