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Finding the Fourth Proportional to 268.85, 404.75 and 246.53

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Solution

The fourth proportional to 268.85, 404.75 and 246.53 is: 371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.85 : 404.75 = 246.53 : x
  2. Step 2: Convert to fraction form
    268.85/404.75 = 246.53/x
  3. Step 3: Cross multiply
    268.85x = 404.75 × 246.53
  4. Step 4: Simplify right side
    268.85x = 99,779.76
  5. Step 5: Solve for x
    x = 99,779.76/268.85
  6. Step 6: Final answer
    x = 371.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.