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Finding the Fourth Proportional to 511.04, 705.26 and 301.18

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Solution

The fourth proportional to 511.04, 705.26 and 301.18 is: 415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.04 : 705.26 = 301.18 : x
  2. Step 2: Convert to fraction form
    511.04/705.26 = 301.18/x
  3. Step 3: Cross multiply
    511.04x = 705.26 × 301.18
  4. Step 4: Simplify right side
    511.04x = 212,410.21
  5. Step 5: Solve for x
    x = 212,410.21/511.04
  6. Step 6: Final answer
    x = 415.64

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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.