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Finding the Fourth Proportional to 511.95, 706.22 and 335.01

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Solution

The fourth proportional to 511.95, 706.22 and 335.01 is: 462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.95 : 706.22 = 335.01 : x
  2. Step 2: Convert to fraction form
    511.95/706.22 = 335.01/x
  3. Step 3: Cross multiply
    511.95x = 706.22 × 335.01
  4. Step 4: Simplify right side
    511.95x = 236,590.76
  5. Step 5: Solve for x
    x = 236,590.76/511.95
  6. Step 6: Final answer
    x = 462.14

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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.