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Finding the Fourth Proportional to 452.68, 624.42 and 297.64

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Solution

The fourth proportional to 452.68, 624.42 and 297.64 is: 410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.68 : 624.42 = 297.64 : x
  2. Step 2: Convert to fraction form
    452.68/624.42 = 297.64/x
  3. Step 3: Cross multiply
    452.68x = 624.42 × 297.64
  4. Step 4: Simplify right side
    452.68x = 185,852.37
  5. Step 5: Solve for x
    x = 185,852.37/452.68
  6. Step 6: Final answer
    x = 410.56

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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.