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Finding the Fourth Proportional to 572.32, 790.19 and 432.73

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Solution

The fourth proportional to 572.32, 790.19 and 432.73 is: 597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.32 : 790.19 = 432.73 : x
  2. Step 2: Convert to fraction form
    572.32/790.19 = 432.73/x
  3. Step 3: Cross multiply
    572.32x = 790.19 × 432.73
  4. Step 4: Simplify right side
    572.32x = 341,938.92
  5. Step 5: Solve for x
    x = 341,938.92/572.32
  6. Step 6: Final answer
    x = 597.46

Related Problems

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Double scale
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Similar ratio
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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.