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Finding the Fourth Proportional to 462.29, 637.78 and 265.70

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Solution

The fourth proportional to 462.29, 637.78 and 265.70 is: 366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.29 : 637.78 = 265.70 : x
  2. Step 2: Convert to fraction form
    462.29/637.78 = 265.70/x
  3. Step 3: Cross multiply
    462.29x = 637.78 × 265.70
  4. Step 4: Simplify right side
    462.29x = 169,458.15
  5. Step 5: Solve for x
    x = 169,458.15/462.29
  6. Step 6: Final answer
    x = 366.56

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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.