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Finding the Fourth Proportional to 459.32, 633.42 and 348.92

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Solution

The fourth proportional to 459.32, 633.42 and 348.92 is: 481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.32 : 633.42 = 348.92 : x
  2. Step 2: Convert to fraction form
    459.32/633.42 = 348.92/x
  3. Step 3: Cross multiply
    459.32x = 633.42 × 348.92
  4. Step 4: Simplify right side
    459.32x = 221,012.91
  5. Step 5: Solve for x
    x = 221,012.91/459.32
  6. Step 6: Final answer
    x = 481.17

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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.