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Finding the Fourth Proportional to 562.15, 776.15 and 365.59

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Solution

The fourth proportional to 562.15, 776.15 and 365.59 is: 504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.15 : 776.15 = 365.59 : x
  2. Step 2: Convert to fraction form
    562.15/776.15 = 365.59/x
  3. Step 3: Cross multiply
    562.15x = 776.15 × 365.59
  4. Step 4: Simplify right side
    562.15x = 283,752.68
  5. Step 5: Solve for x
    x = 283,752.68/562.15
  6. Step 6: Final answer
    x = 504.76

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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.