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Finding the Fourth Proportional to 597.24, 824.42 and 400.86

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Solution

The fourth proportional to 597.24, 824.42 and 400.86 is: 553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.24 : 824.42 = 400.86 : x
  2. Step 2: Convert to fraction form
    597.24/824.42 = 400.86/x
  3. Step 3: Cross multiply
    597.24x = 824.42 × 400.86
  4. Step 4: Simplify right side
    597.24x = 330,475.00
  5. Step 5: Solve for x
    x = 330,475.00/597.24
  6. Step 6: Final answer
    x = 553.34

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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.