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Finding the Fourth Proportional to 270.37, 372.59 and 187.32

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Solution

The fourth proportional to 270.37, 372.59 and 187.32 is: 258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.37 : 372.59 = 187.32 : x
  2. Step 2: Convert to fraction form
    270.37/372.59 = 187.32/x
  3. Step 3: Cross multiply
    270.37x = 372.59 × 187.32
  4. Step 4: Simplify right side
    270.37x = 69,795.78
  5. Step 5: Solve for x
    x = 69,795.78/270.37
  6. Step 6: Final answer
    x = 258.15

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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.