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Finding the Fourth Proportional to 503.66, 755.55 and 295.31

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Solution

The fourth proportional to 503.66, 755.55 and 295.31 is: 443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.66 : 755.55 = 295.31 : x
  2. Step 2: Convert to fraction form
    503.66/755.55 = 295.31/x
  3. Step 3: Cross multiply
    503.66x = 755.55 × 295.31
  4. Step 4: Simplify right side
    503.66x = 223,123.36
  5. Step 5: Solve for x
    x = 223,123.36/503.66
  6. Step 6: Final answer
    x = 443.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.