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Finding the Fourth Proportional to 451.53, 623.12 and 244.53

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Solution

The fourth proportional to 451.53, 623.12 and 244.53 is: 337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.53 : 623.12 = 244.53 : x
  2. Step 2: Convert to fraction form
    451.53/623.12 = 244.53/x
  3. Step 3: Cross multiply
    451.53x = 623.12 × 244.53
  4. Step 4: Simplify right side
    451.53x = 152,371.87
  5. Step 5: Solve for x
    x = 152,371.87/451.53
  6. Step 6: Final answer
    x = 337.45

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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.