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Finding the Fourth Proportional to 562.68, 841.44 and 486.48

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Solution

The fourth proportional to 562.68, 841.44 and 486.48 is: 727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.68 : 841.44 = 486.48 : x
  2. Step 2: Convert to fraction form
    562.68/841.44 = 486.48/x
  3. Step 3: Cross multiply
    562.68x = 841.44 × 486.48
  4. Step 4: Simplify right side
    562.68x = 409,343.73
  5. Step 5: Solve for x
    x = 409,343.73/562.68
  6. Step 6: Final answer
    x = 727.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.