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Finding the Fourth Proportional to 451.81, 623.50 and 244.81

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Solution

The fourth proportional to 451.81, 623.50 and 244.81 is: 337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.81 : 623.50 = 244.81 : x
  2. Step 2: Convert to fraction form
    451.81/623.50 = 244.81/x
  3. Step 3: Cross multiply
    451.81x = 623.50 × 244.81
  4. Step 4: Simplify right side
    451.81x = 152,639.04
  5. Step 5: Solve for x
    x = 152,639.04/451.81
  6. Step 6: Final answer
    x = 337.84

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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.