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Finding the Fourth Proportional to 524.61, 724.01 and 347.27

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Solution

The fourth proportional to 524.61, 724.01 and 347.27 is: 479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.61 : 724.01 = 347.27 : x
  2. Step 2: Convert to fraction form
    524.61/724.01 = 347.27/x
  3. Step 3: Cross multiply
    524.61x = 724.01 × 347.27
  4. Step 4: Simplify right side
    524.61x = 251,424.31
  5. Step 5: Solve for x
    x = 251,424.31/524.61
  6. Step 6: Final answer
    x = 479.26

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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.