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Finding the Fourth Proportional to 482.64, 666.27 and 433.37

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Solution

The fourth proportional to 482.64, 666.27 and 433.37 is: 598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.64 : 666.27 = 433.37 : x
  2. Step 2: Convert to fraction form
    482.64/666.27 = 433.37/x
  3. Step 3: Cross multiply
    482.64x = 666.27 × 433.37
  4. Step 4: Simplify right side
    482.64x = 288,738.10
  5. Step 5: Solve for x
    x = 288,738.10/482.64
  6. Step 6: Final answer
    x = 598.25

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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.