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Finding the Fourth Proportional to 556.59, 767.52 and 335.50

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Solution

The fourth proportional to 556.59, 767.52 and 335.50 is: 462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.59 : 767.52 = 335.50 : x
  2. Step 2: Convert to fraction form
    556.59/767.52 = 335.50/x
  3. Step 3: Cross multiply
    556.59x = 767.52 × 335.50
  4. Step 4: Simplify right side
    556.59x = 257,499.12
  5. Step 5: Solve for x
    x = 257,499.12/556.59
  6. Step 6: Final answer
    x = 462.64

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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.