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Finding the Fourth Proportional to 524.62, 723.64 and 347.58

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Solution

The fourth proportional to 524.62, 723.64 and 347.58 is: 479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.62 : 723.64 = 347.58 : x
  2. Step 2: Convert to fraction form
    524.62/723.64 = 347.58/x
  3. Step 3: Cross multiply
    524.62x = 723.64 × 347.58
  4. Step 4: Simplify right side
    524.62x = 251,522.79
  5. Step 5: Solve for x
    x = 251,522.79/524.62
  6. Step 6: Final answer
    x = 479.44

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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.