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Finding the Fourth Proportional to 473.68, 710.10 and 254.42

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Solution

The fourth proportional to 473.68, 710.10 and 254.42 is: 381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.68 : 710.10 = 254.42 : x
  2. Step 2: Convert to fraction form
    473.68/710.10 = 254.42/x
  3. Step 3: Cross multiply
    473.68x = 710.10 × 254.42
  4. Step 4: Simplify right side
    473.68x = 180,664.71
  5. Step 5: Solve for x
    x = 180,664.71/473.68
  6. Step 6: Final answer
    x = 381.41

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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.