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Finding the Fourth Proportional to 522.43, 719.42 and 467.15

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Solution

The fourth proportional to 522.43, 719.42 and 467.15 is: 643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.43 : 719.42 = 467.15 : x
  2. Step 2: Convert to fraction form
    522.43/719.42 = 467.15/x
  3. Step 3: Cross multiply
    522.43x = 719.42 × 467.15
  4. Step 4: Simplify right side
    522.43x = 336,077.05
  5. Step 5: Solve for x
    x = 336,077.05/522.43
  6. Step 6: Final answer
    x = 643.30

Related Problems

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Double scale
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Similar ratio
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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.