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Finding the Fourth Proportional to 524.25, 782.88 and 451.35

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Solution

The fourth proportional to 524.25, 782.88 and 451.35 is: 674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.25 : 782.88 = 451.35 : x
  2. Step 2: Convert to fraction form
    524.25/782.88 = 451.35/x
  3. Step 3: Cross multiply
    524.25x = 782.88 × 451.35
  4. Step 4: Simplify right side
    524.25x = 353,352.89
  5. Step 5: Solve for x
    x = 353,352.89/524.25
  6. Step 6: Final answer
    x = 674.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.