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Finding the Fourth Proportional to 524.64, 723.92 and 359.25

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Solution

The fourth proportional to 524.64, 723.92 and 359.25 is: 495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.64 : 723.92 = 359.25 : x
  2. Step 2: Convert to fraction form
    524.64/723.92 = 359.25/x
  3. Step 3: Cross multiply
    524.64x = 723.92 × 359.25
  4. Step 4: Simplify right side
    524.64x = 260,068.26
  5. Step 5: Solve for x
    x = 260,068.26/524.64
  6. Step 6: Final answer
    x = 495.71

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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.