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Finding the Fourth Proportional to 524.85, 724.19 and 446.49

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Solution

The fourth proportional to 524.85, 724.19 and 446.49 is: 616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.85 : 724.19 = 446.49 : x
  2. Step 2: Convert to fraction form
    524.85/724.19 = 446.49/x
  3. Step 3: Cross multiply
    524.85x = 724.19 × 446.49
  4. Step 4: Simplify right side
    524.85x = 323,341.09
  5. Step 5: Solve for x
    x = 323,341.09/524.85
  6. Step 6: Final answer
    x = 616.06

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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.