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Finding the Fourth Proportional to 425.41, 587.05 and 236.35

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Solution

The fourth proportional to 425.41, 587.05 and 236.35 is: 326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.41 : 587.05 = 236.35 : x
  2. Step 2: Convert to fraction form
    425.41/587.05 = 236.35/x
  3. Step 3: Cross multiply
    425.41x = 587.05 × 236.35
  4. Step 4: Simplify right side
    425.41x = 138,750.30
  5. Step 5: Solve for x
    x = 138,750.30/425.41
  6. Step 6: Final answer
    x = 326.16

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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.