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Finding the Fourth Proportional to 593.17, 893.21 and 440.18

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Solution

The fourth proportional to 593.17, 893.21 and 440.18 is: 662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.17 : 893.21 = 440.18 : x
  2. Step 2: Convert to fraction form
    593.17/893.21 = 440.18/x
  3. Step 3: Cross multiply
    593.17x = 893.21 × 440.18
  4. Step 4: Simplify right side
    593.17x = 393,169.86
  5. Step 5: Solve for x
    x = 393,169.86/593.17
  6. Step 6: Final answer
    x = 662.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.