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Finding the Fourth Proportional to 364.70, 503.37 and 248.25

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Solution

The fourth proportional to 364.70, 503.37 and 248.25 is: 342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.70 : 503.37 = 248.25 : x
  2. Step 2: Convert to fraction form
    364.70/503.37 = 248.25/x
  3. Step 3: Cross multiply
    364.70x = 503.37 × 248.25
  4. Step 4: Simplify right side
    364.70x = 124,961.60
  5. Step 5: Solve for x
    x = 124,961.60/364.70
  6. Step 6: Final answer
    x = 342.65

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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.