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Finding the Fourth Proportional to 556.08, 767.48 and 335.04

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Solution

The fourth proportional to 556.08, 767.48 and 335.04 is: 462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.08 : 767.48 = 335.04 : x
  2. Step 2: Convert to fraction form
    556.08/767.48 = 335.04/x
  3. Step 3: Cross multiply
    556.08x = 767.48 × 335.04
  4. Step 4: Simplify right side
    556.08x = 257,136.50
  5. Step 5: Solve for x
    x = 257,136.50/556.08
  6. Step 6: Final answer
    x = 462.41

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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.