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Finding the Fourth Proportional to 265.35, 366.16 and 148.92

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Solution

The fourth proportional to 265.35, 366.16 and 148.92 is: 205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.35 : 366.16 = 148.92 : x
  2. Step 2: Convert to fraction form
    265.35/366.16 = 148.92/x
  3. Step 3: Cross multiply
    265.35x = 366.16 × 148.92
  4. Step 4: Simplify right side
    265.35x = 54,528.55
  5. Step 5: Solve for x
    x = 54,528.55/265.35
  6. Step 6: Final answer
    x = 205.50

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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.