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Finding the Fourth Proportional to 535.54, 799.03 and 477.07

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Solution

The fourth proportional to 535.54, 799.03 and 477.07 is: 711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.54 : 799.03 = 477.07 : x
  2. Step 2: Convert to fraction form
    535.54/799.03 = 477.07/x
  3. Step 3: Cross multiply
    535.54x = 799.03 × 477.07
  4. Step 4: Simplify right side
    535.54x = 381,193.24
  5. Step 5: Solve for x
    x = 381,193.24/535.54
  6. Step 6: Final answer
    x = 711.79

Related Problems

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Double scale
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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.