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Finding the Fourth Proportional to 530.26, 731.65 and 334.05

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Solution

The fourth proportional to 530.26, 731.65 and 334.05 is: 460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.26 : 731.65 = 334.05 : x
  2. Step 2: Convert to fraction form
    530.26/731.65 = 334.05/x
  3. Step 3: Cross multiply
    530.26x = 731.65 × 334.05
  4. Step 4: Simplify right side
    530.26x = 244,407.68
  5. Step 5: Solve for x
    x = 244,407.68/530.26
  6. Step 6: Final answer
    x = 460.92

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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.