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Finding the Fourth Proportional to 473.71, 711.34 and 292.26

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Solution

The fourth proportional to 473.71, 711.34 and 292.26 is: 438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.71 : 711.34 = 292.26 : x
  2. Step 2: Convert to fraction form
    473.71/711.34 = 292.26/x
  3. Step 3: Cross multiply
    473.71x = 711.34 × 292.26
  4. Step 4: Simplify right side
    473.71x = 207,894.37
  5. Step 5: Solve for x
    x = 207,894.37/473.71
  6. Step 6: Final answer
    x = 438.86

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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.