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Finding the Fourth Proportional to 242.34, 332.52 and 240.05

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Solution

The fourth proportional to 242.34, 332.52 and 240.05 is: 329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.34 : 332.52 = 240.05 : x
  2. Step 2: Convert to fraction form
    242.34/332.52 = 240.05/x
  3. Step 3: Cross multiply
    242.34x = 332.52 × 240.05
  4. Step 4: Simplify right side
    242.34x = 79,819.76
  5. Step 5: Solve for x
    x = 79,819.76/242.34
  6. Step 6: Final answer
    x = 329.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.