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Finding the Fourth Proportional to 265.84, 398.82 and 150.41

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Solution

The fourth proportional to 265.84, 398.82 and 150.41 is: 225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.84 : 398.82 = 150.41 : x
  2. Step 2: Convert to fraction form
    265.84/398.82 = 150.41/x
  3. Step 3: Cross multiply
    265.84x = 398.82 × 150.41
  4. Step 4: Simplify right side
    265.84x = 59,986.52
  5. Step 5: Solve for x
    x = 59,986.52/265.84
  6. Step 6: Final answer
    x = 225.65

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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.