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Finding the Fourth Proportional to 556.59, 767.93 and 335.61

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Solution

The fourth proportional to 556.59, 767.93 and 335.61 is: 463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.59 : 767.93 = 335.61 : x
  2. Step 2: Convert to fraction form
    556.59/767.93 = 335.61/x
  3. Step 3: Cross multiply
    556.59x = 767.93 × 335.61
  4. Step 4: Simplify right side
    556.59x = 257,723.31
  5. Step 5: Solve for x
    x = 257,723.31/556.59
  6. Step 6: Final answer
    x = 463.04

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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.