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Finding the Fourth Proportional to 240.84, 358.80 and 235.44

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Solution

The fourth proportional to 240.84, 358.80 and 235.44 is: 350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.84 : 358.80 = 235.44 : x
  2. Step 2: Convert to fraction form
    240.84/358.80 = 235.44/x
  3. Step 3: Cross multiply
    240.84x = 358.80 × 235.44
  4. Step 4: Simplify right side
    240.84x = 84,475.87
  5. Step 5: Solve for x
    x = 84,475.87/240.84
  6. Step 6: Final answer
    x = 350.76

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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.