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Finding the Fourth Proportional to 240.61, 359.32 and 238.04

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Solution

The fourth proportional to 240.61, 359.32 and 238.04 is: 355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.61 : 359.32 = 238.04 : x
  2. Step 2: Convert to fraction form
    240.61/359.32 = 238.04/x
  3. Step 3: Cross multiply
    240.61x = 359.32 × 238.04
  4. Step 4: Simplify right side
    240.61x = 85,533.29
  5. Step 5: Solve for x
    x = 85,533.29/240.61
  6. Step 6: Final answer
    x = 355.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.