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Finding the Fourth Proportional to 242.04, 336.36 and 238.98

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Solution

The fourth proportional to 242.04, 336.36 and 238.98 is: 332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.04 : 336.36 = 238.98 : x
  2. Step 2: Convert to fraction form
    242.04/336.36 = 238.98/x
  3. Step 3: Cross multiply
    242.04x = 336.36 × 238.98
  4. Step 4: Simplify right side
    242.04x = 80,383.31
  5. Step 5: Solve for x
    x = 80,383.31/242.04
  6. Step 6: Final answer
    x = 332.11

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.