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Finding the Fourth Proportional to 473.63, 711.11 and 372.02

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Solution

The fourth proportional to 473.63, 711.11 and 372.02 is: 558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.63 : 711.11 = 372.02 : x
  2. Step 2: Convert to fraction form
    473.63/711.11 = 372.02/x
  3. Step 3: Cross multiply
    473.63x = 711.11 × 372.02
  4. Step 4: Simplify right side
    473.63x = 264,544.52
  5. Step 5: Solve for x
    x = 264,544.52/473.63
  6. Step 6: Final answer
    x = 558.55

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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.