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Finding the Fourth Proportional to 245.64, 366.42 and 237.21

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Solution

The fourth proportional to 245.64, 366.42 and 237.21 is: 353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.64 : 366.42 = 237.21 : x
  2. Step 2: Convert to fraction form
    245.64/366.42 = 237.21/x
  3. Step 3: Cross multiply
    245.64x = 366.42 × 237.21
  4. Step 4: Simplify right side
    245.64x = 86,918.49
  5. Step 5: Solve for x
    x = 86,918.49/245.64
  6. Step 6: Final answer
    x = 353.85

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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.