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Finding the Fourth Proportional to 458.96, 688.06 and 294.52

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Solution

The fourth proportional to 458.96, 688.06 and 294.52 is: 441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.96 : 688.06 = 294.52 : x
  2. Step 2: Convert to fraction form
    458.96/688.06 = 294.52/x
  3. Step 3: Cross multiply
    458.96x = 688.06 × 294.52
  4. Step 4: Simplify right side
    458.96x = 202,647.43
  5. Step 5: Solve for x
    x = 202,647.43/458.96
  6. Step 6: Final answer
    x = 441.54

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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.