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Finding the Fourth Proportional to 473.08, 710 and 199.37

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Solution

The fourth proportional to 473.08, 710 and 199.37 is: 299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.08 : 710 = 199.37 : x
  2. Step 2: Convert to fraction form
    473.08/710 = 199.37/x
  3. Step 3: Cross multiply
    473.08x = 710 × 199.37
  4. Step 4: Simplify right side
    473.08x = 141,552.70
  5. Step 5: Solve for x
    x = 141,552.70/473.08
  6. Step 6: Final answer
    x = 299.22

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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.