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Finding the Fourth Proportional to 597.46, 824.10 and 431.40

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Solution

The fourth proportional to 597.46, 824.10 and 431.40 is: 595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.46 : 824.10 = 431.40 : x
  2. Step 2: Convert to fraction form
    597.46/824.10 = 431.40/x
  3. Step 3: Cross multiply
    597.46x = 824.10 × 431.40
  4. Step 4: Simplify right side
    597.46x = 355,516.74
  5. Step 5: Solve for x
    x = 355,516.74/597.46
  6. Step 6: Final answer
    x = 595.05

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Double scale
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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.