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Finding the Fourth Proportional to 524.25, 721.04 and 461.88

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Solution

The fourth proportional to 524.25, 721.04 and 461.88 is: 635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.25 : 721.04 = 461.88 : x
  2. Step 2: Convert to fraction form
    524.25/721.04 = 461.88/x
  3. Step 3: Cross multiply
    524.25x = 721.04 × 461.88
  4. Step 4: Simplify right side
    524.25x = 333,031.65
  5. Step 5: Solve for x
    x = 333,031.65/524.25
  6. Step 6: Final answer
    x = 635.25

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1.5x scale

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.