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Finding the Fourth Proportional to 531.21, 733.35 and 334.83

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Solution

The fourth proportional to 531.21, 733.35 and 334.83 is: 462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.21 : 733.35 = 334.83 : x
  2. Step 2: Convert to fraction form
    531.21/733.35 = 334.83/x
  3. Step 3: Cross multiply
    531.21x = 733.35 × 334.83
  4. Step 4: Simplify right side
    531.21x = 245,547.58
  5. Step 5: Solve for x
    x = 245,547.58/531.21
  6. Step 6: Final answer
    x = 462.24

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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.