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Finding the Fourth Proportional to 556.08, 767.10 and 359.54

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Solution

The fourth proportional to 556.08, 767.10 and 359.54 is: 495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.08 : 767.10 = 359.54 : x
  2. Step 2: Convert to fraction form
    556.08/767.10 = 359.54/x
  3. Step 3: Cross multiply
    556.08x = 767.10 × 359.54
  4. Step 4: Simplify right side
    556.08x = 275,803.13
  5. Step 5: Solve for x
    x = 275,803.13/556.08
  6. Step 6: Final answer
    x = 495.98

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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.