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Finding the Fourth Proportional to 265.88, 366.91 and 149.45

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Solution

The fourth proportional to 265.88, 366.91 and 149.45 is: 206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.88 : 366.91 = 149.45 : x
  2. Step 2: Convert to fraction form
    265.88/366.91 = 149.45/x
  3. Step 3: Cross multiply
    265.88x = 366.91 × 149.45
  4. Step 4: Simplify right side
    265.88x = 54,832.49
  5. Step 5: Solve for x
    x = 54,832.49/265.88
  6. Step 6: Final answer
    x = 206.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.