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Finding the Fourth Proportional to 332.79, 459.05 and 214.92

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Solution

The fourth proportional to 332.79, 459.05 and 214.92 is: 296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.79 : 459.05 = 214.92 : x
  2. Step 2: Convert to fraction form
    332.79/459.05 = 214.92/x
  3. Step 3: Cross multiply
    332.79x = 459.05 × 214.92
  4. Step 4: Simplify right side
    332.79x = 98,659.03
  5. Step 5: Solve for x
    x = 98,659.03/332.79
  6. Step 6: Final answer
    x = 296.46

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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.