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Finding the Fourth Proportional to 482.36, 718.61 and 459.14

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Solution

The fourth proportional to 482.36, 718.61 and 459.14 is: 684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.36 : 718.61 = 459.14 : x
  2. Step 2: Convert to fraction form
    482.36/718.61 = 459.14/x
  3. Step 3: Cross multiply
    482.36x = 718.61 × 459.14
  4. Step 4: Simplify right side
    482.36x = 329,936.71
  5. Step 5: Solve for x
    x = 329,936.71/482.36
  6. Step 6: Final answer
    x = 684.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.