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Finding the Fourth Proportional to 562.77, 776.46 and 335.59

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Solution

The fourth proportional to 562.77, 776.46 and 335.59 is: 463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.77 : 776.46 = 335.59 : x
  2. Step 2: Convert to fraction form
    562.77/776.46 = 335.59/x
  3. Step 3: Cross multiply
    562.77x = 776.46 × 335.59
  4. Step 4: Simplify right side
    562.77x = 260,572.21
  5. Step 5: Solve for x
    x = 260,572.21/562.77
  6. Step 6: Final answer
    x = 463.02

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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.