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Finding the Fourth Proportional to 607.25, 910.25 and 236.95

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Solution

The fourth proportional to 607.25, 910.25 and 236.95 is: 355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.25 : 910.25 = 236.95 : x
  2. Step 2: Convert to fraction form
    607.25/910.25 = 236.95/x
  3. Step 3: Cross multiply
    607.25x = 910.25 × 236.95
  4. Step 4: Simplify right side
    607.25x = 215,682.55
  5. Step 5: Solve for x
    x = 215,682.55/607.25
  6. Step 6: Final answer
    x = 355.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.