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Finding the Fourth Proportional to 265.12, 395.60 and 237.86

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Solution

The fourth proportional to 265.12, 395.60 and 237.86 is: 354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.12 : 395.60 = 237.86 : x
  2. Step 2: Convert to fraction form
    265.12/395.60 = 237.86/x
  3. Step 3: Cross multiply
    265.12x = 395.60 × 237.86
  4. Step 4: Simplify right side
    265.12x = 94,097.42
  5. Step 5: Solve for x
    x = 94,097.42/265.12
  6. Step 6: Final answer
    x = 354.92

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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.