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Finding the Fourth Proportional to 530.01, 731.16 and 343.49

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Solution

The fourth proportional to 530.01, 731.16 and 343.49 is: 473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.01 : 731.16 = 343.49 : x
  2. Step 2: Convert to fraction form
    530.01/731.16 = 343.49/x
  3. Step 3: Cross multiply
    530.01x = 731.16 × 343.49
  4. Step 4: Simplify right side
    530.01x = 251,142.49
  5. Step 5: Solve for x
    x = 251,142.49/530.01
  6. Step 6: Final answer
    x = 473.84

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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.