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Finding the Fourth Proportional to 265.58, 398.29 and 92.29

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Solution

The fourth proportional to 265.58, 398.29 and 92.29 is: 138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.58 : 398.29 = 92.29 : x
  2. Step 2: Convert to fraction form
    265.58/398.29 = 92.29/x
  3. Step 3: Cross multiply
    265.58x = 398.29 × 92.29
  4. Step 4: Simplify right side
    265.58x = 36,758.18
  5. Step 5: Solve for x
    x = 36,758.18/265.58
  6. Step 6: Final answer
    x = 138.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.