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Finding the Fourth Proportional to 265.65, 396.55 and 233.25

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Solution

The fourth proportional to 265.65, 396.55 and 233.25 is: 348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.65 : 396.55 = 233.25 : x
  2. Step 2: Convert to fraction form
    265.65/396.55 = 233.25/x
  3. Step 3: Cross multiply
    265.65x = 396.55 × 233.25
  4. Step 4: Simplify right side
    265.65x = 92,494.70
  5. Step 5: Solve for x
    x = 92,494.70/265.65
  6. Step 6: Final answer
    x = 348.18

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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.