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Finding the Fourth Proportional to 556.06, 767.61 and 332.07

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Solution

The fourth proportional to 556.06, 767.61 and 332.07 is: 458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.06 : 767.61 = 332.07 : x
  2. Step 2: Convert to fraction form
    556.06/767.61 = 332.07/x
  3. Step 3: Cross multiply
    556.06x = 767.61 × 332.07
  4. Step 4: Simplify right side
    556.06x = 254,903.85
  5. Step 5: Solve for x
    x = 254,903.85/556.06
  6. Step 6: Final answer
    x = 458.41

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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.