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Finding the Fourth Proportional to 572.24, 858.36 and 207.13

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Solution

The fourth proportional to 572.24, 858.36 and 207.13 is: 310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.24 : 858.36 = 207.13 : x
  2. Step 2: Convert to fraction form
    572.24/858.36 = 207.13/x
  3. Step 3: Cross multiply
    572.24x = 858.36 × 207.13
  4. Step 4: Simplify right side
    572.24x = 177,792.11
  5. Step 5: Solve for x
    x = 177,792.11/572.24
  6. Step 6: Final answer
    x = 310.70

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.