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Finding the Fourth Proportional to 452.94, 625.50 and 387.06

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Solution

The fourth proportional to 452.94, 625.50 and 387.06 is: 534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.94 : 625.50 = 387.06 : x
  2. Step 2: Convert to fraction form
    452.94/625.50 = 387.06/x
  3. Step 3: Cross multiply
    452.94x = 625.50 × 387.06
  4. Step 4: Simplify right side
    452.94x = 242,106.03
  5. Step 5: Solve for x
    x = 242,106.03/452.94
  6. Step 6: Final answer
    x = 534.52

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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.