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Finding the Fourth Proportional to 240.02, 360.14 and 118.21

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Solution

The fourth proportional to 240.02, 360.14 and 118.21 is: 177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.02 : 360.14 = 118.21 : x
  2. Step 2: Convert to fraction form
    240.02/360.14 = 118.21/x
  3. Step 3: Cross multiply
    240.02x = 360.14 × 118.21
  4. Step 4: Simplify right side
    240.02x = 42,572.15
  5. Step 5: Solve for x
    x = 42,572.15/240.02
  6. Step 6: Final answer
    x = 177.37

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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.