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Finding the Fourth Proportional to 473.66, 653.46 and 296.54

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Solution

The fourth proportional to 473.66, 653.46 and 296.54 is: 409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.66 : 653.46 = 296.54 : x
  2. Step 2: Convert to fraction form
    473.66/653.46 = 296.54/x
  3. Step 3: Cross multiply
    473.66x = 653.46 × 296.54
  4. Step 4: Simplify right side
    473.66x = 193,777.03
  5. Step 5: Solve for x
    x = 193,777.03/473.66
  6. Step 6: Final answer
    x = 409.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.