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Finding the Fourth Proportional to 268.67, 370.45 and 237.89

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Solution

The fourth proportional to 268.67, 370.45 and 237.89 is: 328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.67 : 370.45 = 237.89 : x
  2. Step 2: Convert to fraction form
    268.67/370.45 = 237.89/x
  3. Step 3: Cross multiply
    268.67x = 370.45 × 237.89
  4. Step 4: Simplify right side
    268.67x = 88,126.35
  5. Step 5: Solve for x
    x = 88,126.35/268.67
  6. Step 6: Final answer
    x = 328.01

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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.