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Finding the Fourth Proportional to 593.40, 819.04 and 344.90

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Solution

The fourth proportional to 593.40, 819.04 and 344.90 is: 476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.40 : 819.04 = 344.90 : x
  2. Step 2: Convert to fraction form
    593.40/819.04 = 344.90/x
  3. Step 3: Cross multiply
    593.40x = 819.04 × 344.90
  4. Step 4: Simplify right side
    593.40x = 282,485.17
  5. Step 5: Solve for x
    x = 282,485.17/593.40
  6. Step 6: Final answer
    x = 476.05

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Double scale
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1.5x scale

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.