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Finding the Fourth Proportional to 543.32, 814.68 and 283.04

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Solution

The fourth proportional to 543.32, 814.68 and 283.04 is: 424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.32 : 814.68 = 283.04 : x
  2. Step 2: Convert to fraction form
    543.32/814.68 = 283.04/x
  3. Step 3: Cross multiply
    543.32x = 814.68 × 283.04
  4. Step 4: Simplify right side
    543.32x = 230,587.03
  5. Step 5: Solve for x
    x = 230,587.03/543.32
  6. Step 6: Final answer
    x = 424.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.