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Finding the Fourth Proportional to 503.48, 744.60 and 503.48

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Solution

The fourth proportional to 503.48, 744.60 and 503.48 is: 744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.48 : 744.60 = 503.48 : x
  2. Step 2: Convert to fraction form
    503.48/744.60 = 503.48/x
  3. Step 3: Cross multiply
    503.48x = 744.60 × 503.48
  4. Step 4: Simplify right side
    503.48x = 374,891.21
  5. Step 5: Solve for x
    x = 374,891.21/503.48
  6. Step 6: Final answer
    x = 744.60

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.