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Finding the Fourth Proportional to 245.59, 337.78 and 214.54

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Solution

The fourth proportional to 245.59, 337.78 and 214.54 is: 295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.59 : 337.78 = 214.54 : x
  2. Step 2: Convert to fraction form
    245.59/337.78 = 214.54/x
  3. Step 3: Cross multiply
    245.59x = 337.78 × 214.54
  4. Step 4: Simplify right side
    245.59x = 72,467.32
  5. Step 5: Solve for x
    x = 72,467.32/245.59
  6. Step 6: Final answer
    x = 295.07

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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.