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Finding the Fourth Proportional to 505.03, 753.22 and 443.73

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Solution

The fourth proportional to 505.03, 753.22 and 443.73 is: 661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.03 : 753.22 = 443.73 : x
  2. Step 2: Convert to fraction form
    505.03/753.22 = 443.73/x
  3. Step 3: Cross multiply
    505.03x = 753.22 × 443.73
  4. Step 4: Simplify right side
    505.03x = 334,226.31
  5. Step 5: Solve for x
    x = 334,226.31/505.03
  6. Step 6: Final answer
    x = 661.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.