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Finding the Fourth Proportional to 370.96, 511.93 and 205.18

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Solution

The fourth proportional to 370.96, 511.93 and 205.18 is: 283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.96 : 511.93 = 205.18 : x
  2. Step 2: Convert to fraction form
    370.96/511.93 = 205.18/x
  3. Step 3: Cross multiply
    370.96x = 511.93 × 205.18
  4. Step 4: Simplify right side
    370.96x = 105,036.77
  5. Step 5: Solve for x
    x = 105,036.77/370.96
  6. Step 6: Final answer
    x = 283.15

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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.