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Finding the Fourth Proportional to 473.63, 710.49 and 292.29

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Solution

The fourth proportional to 473.63, 710.49 and 292.29 is: 438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.63 : 710.49 = 292.29 : x
  2. Step 2: Convert to fraction form
    473.63/710.49 = 292.29/x
  3. Step 3: Cross multiply
    473.63x = 710.49 × 292.29
  4. Step 4: Simplify right side
    473.63x = 207,669.12
  5. Step 5: Solve for x
    x = 207,669.12/473.63
  6. Step 6: Final answer
    x = 438.47

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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.