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Finding the Fourth Proportional to 372.66, 514.40 and 241.68

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Solution

The fourth proportional to 372.66, 514.40 and 241.68 is: 333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.66 : 514.40 = 241.68 : x
  2. Step 2: Convert to fraction form
    372.66/514.40 = 241.68/x
  3. Step 3: Cross multiply
    372.66x = 514.40 × 241.68
  4. Step 4: Simplify right side
    372.66x = 124,320.19
  5. Step 5: Solve for x
    x = 124,320.19/372.66
  6. Step 6: Final answer
    x = 333.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.