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Finding the Fourth Proportional to 466.64, 703.12 and 387.26

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Solution

The fourth proportional to 466.64, 703.12 and 387.26 is: 583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.64 : 703.12 = 387.26 : x
  2. Step 2: Convert to fraction form
    466.64/703.12 = 387.26/x
  3. Step 3: Cross multiply
    466.64x = 703.12 × 387.26
  4. Step 4: Simplify right side
    466.64x = 272,291.22
  5. Step 5: Solve for x
    x = 272,291.22/466.64
  6. Step 6: Final answer
    x = 583.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.