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Finding the Fourth Proportional to 473.51, 710.33 and 199.64

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Solution

The fourth proportional to 473.51, 710.33 and 199.64 is: 299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.51 : 710.33 = 199.64 : x
  2. Step 2: Convert to fraction form
    473.51/710.33 = 199.64/x
  3. Step 3: Cross multiply
    473.51x = 710.33 × 199.64
  4. Step 4: Simplify right side
    473.51x = 141,811.06
  5. Step 5: Solve for x
    x = 141,811.06/473.51
  6. Step 6: Final answer
    x = 299.49

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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.