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Finding the Fourth Proportional to 292.52, 402.66 and 245.39

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Solution

The fourth proportional to 292.52, 402.66 and 245.39 is: 337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.52 : 402.66 = 245.39 : x
  2. Step 2: Convert to fraction form
    292.52/402.66 = 245.39/x
  3. Step 3: Cross multiply
    292.52x = 402.66 × 245.39
  4. Step 4: Simplify right side
    292.52x = 98,806.72
  5. Step 5: Solve for x
    x = 98,806.72/292.52
  6. Step 6: Final answer
    x = 337.77

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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.