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Finding the Fourth Proportional to 596.16, 823.20 and 400.32

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Solution

The fourth proportional to 596.16, 823.20 and 400.32 is: 552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.16 : 823.20 = 400.32 : x
  2. Step 2: Convert to fraction form
    596.16/823.20 = 400.32/x
  3. Step 3: Cross multiply
    596.16x = 823.20 × 400.32
  4. Step 4: Simplify right side
    596.16x = 329,543.42
  5. Step 5: Solve for x
    x = 329,543.42/596.16
  6. Step 6: Final answer
    x = 552.78

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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.