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Finding the Fourth Proportional to 562.05, 775.51 and 473.87

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Solution

The fourth proportional to 562.05, 775.51 and 473.87 is: 653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.05 : 775.51 = 473.87 : x
  2. Step 2: Convert to fraction form
    562.05/775.51 = 473.87/x
  3. Step 3: Cross multiply
    562.05x = 775.51 × 473.87
  4. Step 4: Simplify right side
    562.05x = 367,491.68
  5. Step 5: Solve for x
    x = 367,491.68/562.05
  6. Step 6: Final answer
    x = 653.84

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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.